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Equipment & Gear => Power Equipment & RV => Topic started by: SeaRun1 on June 27, 2022, 02:45:17 PM
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Hey guys,
Trying to see if I can fix this on my own before taking it to a mechanic. A couple of years ago I developed a stuttering/hesitation problem with my Tacoma. We did a general tune up and replaced a lot of things like spark plugs and cables, thermostat and a few other things I cannot remember. My buddy that works on cars helped me as I do my oil changes and brakes but not much beyond that.
It fixed the problem for a few years but now I am getting it worse. I can’t really drive it to far it hesitates so bad. It starts and idles fine. Any thoughts?
Where should I start?
Thanks
SR1
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We just went through this with my sons 2001 Tacoma Started with the plugs and wires, then fuel filter, then fuel pump. Kept doing it. He had the dealership pull the tank and fuel line and it was a piece of plastic stuck in the line. His issue was hesitation/stumbling at between 2500-3000 in 2nd and 3rd gear mostly.
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I'd rule out a clogged or partially clogged fuel filter. Years ago, thin little metal flakes trapped in the fuel filter were driving me and my mechanic crazy.
I'm scheduled for a "fuel induction system cleaning, that includes throttle body service and mass air flow sensor service".
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SeaRun
Have you cleaned your throttle body, right where the throttle plate is? You need a old toothbrush and a can of carb cleaner. Take off the intake hose and use a flashlight look inside and see if a ring of carbon is around the throttle bore clean it off spray, open throttle and brush.
It can cause stuttering and missing.
Good luck
Smokeploe
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Which motor?
And pray it isn’t a head gasket!
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Is it throwing a code? Don’t remember the code mine would throw but mine did that and it was arching on the rear drivers side plug wire. Would do that every year to two years. Always the same one
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I've got a 96 an had the same issue mine was the mass air sensor. Cost me 12 bucks. Not sure if that will work for you but try it. Also check the toyota forum. Lots of good information
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I have the 3.4 liter engine. I have had this truck since 1997 so want to get a few more years out of it.
I will try the mass air sensor and cleaning the throttle bod6 first. Thanks for the advice guys.
SR1
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Is it throwing a code? Don’t remember the code mine would throw but mine did that and it was arching on the rear drivers side plug wire. Would do that every year to two years. Always the same one
:yeah: Without a code, you are just wasting time and money. Either spend some money for your own reader, or pay a shop to do it for you. :twocents:
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Buy a Blue tooth dongle off Amazon and download Torque Pro app for a great diagnostic tool for about $20. Will read and clear codes and a whole lot more!
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I have a obdi code reader. It’s not throwing a code unfortunately. I cleaned the throttle body and mass air sensor and put in a new air filter. No improvement in the hesitation. You can hear it at idle and it’s missing when you drive. I thought I would try a new fuel filter as well.
SR1
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I had nearly the same issue in my 01 Tacoma, for me it turned out to be my throttle position sensor was going out.
Very easy to get to and a fairly cheap part if I remember correctly
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Can’t hurt to check the grounds to the engine, probably not the issue if you’ve owned it for a long time and it hasn’t been torn apart, but on ones that have been torn down I’ve seen grounds that were left loose cause weird things. It’s worth the time to take them off and clean them up.
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You say no codes correct? Starts and idles fine till it gets up in rpm. Have you checked your fuel pump pressure and flow test? You also said a tune up fixed it last time, if you did a tune up with cheap parts you may need another tune up again. Have you ever had a p420 code of a catalytic converter inefficient test fail? May also be a blown intake manifold leak. Spray brake cleaner or carb cleaner around where the gasket is and listen for the idle to rise if it does theres your problem. Also look for vacum lines loose, craked or holes. Also check flexible intake between manifold and the maf sensor. Any air that is not being read by the maf sensor will throw your fuel trims off and make it run bad. These are some of the top things that make an older car run bad without codes being popped at the top of my head right now. It is late so i cant think of everything but those are what i came up with on the fly. If you need the truck back quick take it to a mechanic, though parts are a pain right now to get right now. Or just have them diag it and have your buddy do the work.
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i second throttle positioning sensor 100 percent your problem. i have the 2.7 and it was located on the backside of the throttle body top of motor look it up on you tube easy fix cant remember the price but once figured out it took me ten min maybe. it never threw a code and if it doesn't throw a code its tough to diagnose. a mechanic will take you to the cleaners now a days for a easy fix.
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Update…
So I started it up today and was planning on replacing the fuel filter. I have been watching videos and it seems that another thing might be replacing the injectors.
I started it up and it turned on the check engine light. It threw a p0304 code which is cylinder four misfire.
Will look into the throttle positioning sensor as well.
Thanks for the help all. Feels like this might be the last hurrah for my old Tacoma.
SR1
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You probably already know this, but if you coolant is going down or has bubbles in the reservoir then you could have a head gasket leak. They will throw a misfire code if they're leaking coolant into the cylinder. Another sign would be steam in exhaust or milky sludge oil. I just did a head gasket in a Camry and when you revved it the engine wanted to die afterwards from to much steam in the cyl. If you don't have any of those symptoms don't worry about it.
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I do have a coolant leak. I put in a half gallon of anti freeze maybe every month or two. How difficult is this to do?
SR1
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The 3.4 head gaskets is a pretty big job. A Motor replacement would be easier...
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I do have a coolant leak. I put in a half gallon of anti freeze maybe every month or two. How difficult is this to do?
SR1
Head gasket replacement is a job that costs very little in parts but for a shop costs a ton for labor. It's a great job for a competent diy mechanic but can take up to a week. A shop would certainly charge over $1k. If you verify 99% that it's a head gasket you may as well try a sealant if you're not gonna replace the head gasket. It could save you the whole process but if you have water in your oil don't do it because it will add bad abrasives to your oil. There's a whole range of head gasket sealants but whatever you use make sure you follow the instructions exactly. Do some research on them. I've never used them but it beats scrapping the engine.
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A lack of fuel pressure and or volume doesn't isolate to one cylinder it would affect all of them. Check for a vacuum leak with brake clean is solid advice. The other fun trick you can do is spray the coils, plug wires and plugs with water out of a spray bottle, DO NOT DUMP A 5 GALLON PAIL OF WATER UNDER THE HOOD. Turn the lights off, start it and put it under load and if you get a pretty little light show, you have ignition breakdown. Do a tune up.
You can also swap coils from one cylinder to another and see if the miss moves to a different cylinder, if it does, you need a coil.
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I don't know if that motor has individual coil packs but that's where I would look if I had an individual cylinder misfire.
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3 coils and 3 wires.
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I'm dying to know what the actual problem(s) is/are. All the responses make sense to me. Not that I know much about mechanicing.
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Sounds to me like coil packs
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I’m working on it and certainly taking (and appreciating) everyone’s thoughts and advice. I’m trying to balance spending money on the truck with unknown odds of success. Will work on it this weekend.
Thanks all.
SR1
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I'm dying to know what the actual problem(s) is/are. All the responses make sense to me. Not that I know much about mechanicing.
Me too.
Sorry, couldnt help my self...here's the list of suggestions from all the replies...so far, good luck! :chuckle:
-obstruction in fuel line
-fuel filter
-head gasket
-intake manifold gasket
-clean the throttle body
-spark plug wire
-coil pack
-mass air flow sensor
-throttle position sensor
-check for lose ground wire
-fuel pump
-vacuum line
annnnnnd
-injectors
Looks like a potential office betting pool checker board of ideas on what is wrong with your rig :chuckle:
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I'm in for 20 on the coil square. 8)
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How much for the truck.
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Last problem I had with my S-10 I brought out the trebuchet from the shed so i could throw a proper amount of money at it before i figured out it was a bad positive battery cable.
-bad positive battery cable ...
There, I contributed to the clutter of ideas. I hope Searun doesnt have ADD :chuckle:
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My 4runner 3.4 finally completely blew the had gasket after a slow leak for a year. With 550k miles on it I'm not planning to spend the money for a head job or engine just to have my original transmission finally take a crap. Lol
Good luck with your rig.
Time to get me a new Tacoma TRD off road.
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Who had the winning square on this little roulette wheel of internet diag?
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
not that year it was the pre 95 with the 3.0.
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
not that year it was the pre 95 with the 3.0.
That's what I remember. Did head gaskets on one of those once. Emphasis on once! :chuckle:
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
That's the wishing price for that truck but remember the old adage...There's a sucker born every minute.
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
That's the wishing price for that truck but remember the old adage...There's a sucker born every minute.
Talked with a buddy of mine who knows those trucks well, he says that's a steal. He was saying those trucks are going for 10 to 12 grand, a buddy of his just paid 11,500 for the same truck. unreal, I guess i'm just to old school because that should be a 2,500 truck.
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
That's the wishing price for that truck but remember the old adage...There's a sucker born every minute.
Talked with a buddy of mine who knows those trucks well, he says that's a steal. He was saying those trucks are going for 10 to 12 grand, a buddy of his just paid 11,500 for the same truck. unreal, I guess i'm just to old school because that should be a 2,500 truck.
The same people paying 12k for a clapped tacoma are spending half a million on a cookie cutter house. Have fun being a slave to the debt. :bdid:
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
That's the wishing price for that truck but remember the old adage...There's a sucker born every minute.
Talked with a buddy of mine who knows those trucks well, he says that's a steal. He was saying those trucks are going for 10 to 12 grand, a buddy of his just paid 11,500 for the same truck. unreal, I guess i'm just to old school because that should be a 2,500 truck.
The same people paying 12k for a clapped tacoma are spending half a million on a cookie cutter house. Have fun being a slave to the debt. :bdid:
In the stock market, that's called 'The Greater Fool Theory'.
That and the Toyota Koolaid are powerful.
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
That's the wishing price for that truck but remember the old adage...There's a sucker born every minute.
Talked with a buddy of mine who knows those trucks well, he says that's a steal. He was saying those trucks are going for 10 to 12 grand, a buddy of his just paid 11,500 for the same truck. unreal, I guess i'm just to old school because that should be a 2,500 truck.
The same people paying 12k for a clapped tacoma are spending half a million on a cookie cutter house. Have fun being a slave to the debt. :bdid:
In the stock market, that's called 'The Greater Fool Theory'.
That and the Toyota Koolaid are powerful.
or the saying built ford tough !!
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Hey all,
Sorry for not getting back sooner. After cleaning the throttle body and mass air flow sensor I still got the cylinder 4 misfire. I switched the coil around and it ran better briefly but went back to sputtering. I was hoping to see a different cylinder misfire so I could pinpoint the coil but it didn’t show a code again.
I just ordered a set of coils and new spark plug wires and installed them. The truck is running well again. Have driven it around for the last few days and it runs fine.
Appreciate all of the help. Now I need to sell it. It does have a slow coolant leak and I have used this truck as my daily driver and fun truck since 1997. It has not towed much as 8 have a 2011 Tundra for that.
So it is a 1996 Toyota Tacoma Deluxe (chrome power mirrors and such, sunroof) with 226 k on it. I was told there were not many of these deluxes made in 96. Anyways has a Leer canopy and is a five speed manual. Running boards need replacing as well as the antenna. I still get about 17 mpg around town and 19-20 when I drive to Long Beach.
Any ideas what I should reasonably ask for it? It’s not a garage queen but it would be cool to see someone get it that appreciates it and might want to work on it to improve it.
Thanks again for all the replies.
SR1
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Here she is. I still think it looks good after 26 years!
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I'm in for 20 on the coil square. 8)
I believe you won :chuckle:
Checks in the mail. :tung:
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
That's the wishing price for that truck but remember the old adage...There's a sucker born every minute.
Talked with a buddy of mine who knows those trucks well, he says that's a steal. He was saying those trucks are going for 10 to 12 grand, a buddy of his just paid 11,500 for the same truck. unreal, I guess i'm just to old school because that should be a 2,500 truck.
The same people paying 12k for a clapped tacoma are spending half a million on a cookie cutter house. Have fun being a slave to the debt. :bdid:
Half a million for a house? Hell, I'll take 2 at that price!
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I don't know if that motor has individual coil packs but that's where I would look if I had an individual cylinder misfire.
Who was the first one to suggest coil pack?
Yup, the guy who knows nothing about Toyotas..... :chuckle:
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Just saw a 1996 tacoma for sale where I'm working, nice looking truck. I asked the guy what he was asking for it......9,750 American dollars. lol, isn't that year notorious for the head gaskets blowing?
Not that I remember.
Oh, that's good. Is that the going price for that truck??? 26 years old!!
That's the wishing price for that truck but remember the old adage...There's a sucker born every minute.
Talked with a buddy of mine who knows those trucks well, he says that's a steal. He was saying those trucks are going for 10 to 12 grand, a buddy of his just paid 11,500 for the same truck. unreal, I guess i'm just to old school because that should be a 2,500 truck.
Crazy what rigs are going for. I got into an accident in April. Some girl pulled in front of me and totaled my 91 gmc sierra 142,000 miles. Bought it in 2016 for $2500 cash with 83,000 original miles (farm truck) Her insurance paid me $9600 for it. I was shocked. Took the money and ran
Sent from my SM-G990U using Tapatalk
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Hey guys,
Trying to see if I can fix this on my own before taking it to a mechanic. A couple of years ago I developed a stuttering/hesitation problem with my Tacoma. We did a general tune up and replaced a lot of things like spark plugs and cables, thermostat and a few other things I cannot remember. My buddy that works on cars helped me as I do my oil changes and brakes but not much beyond that.
It fixed the problem for a few years but now I am getting it worse. I can’t really drive it to far it hesitates so bad. It starts and idles fine. Any thoughts?
Where should I start?
Thanks
SR1
I had the same problem with my 97, it ended up being a bad injector.
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I’ve cleared those problems with a bottle or two of injector cleaner