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low rpm sputter and hesitation

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Old 07-15-2013, 12:56 PM   #1
luke8603 [OP] luke8603 is offline
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low rpm sputter and hesitation

Hey guy I have a problem I'm trying to track down in my 2001 Tacoma 3.4 4wd
Fueled up a week ago and my truck didn't run in quite right shortly after filling up.
I got to work sprayed 3 trucks and when I went to leave my truck started but ran terrible and threw a cylinder 3 misfire code, so for laughs I changed the suspect coil pack and it was a little better than before so then I added injector cleaner cleaned maf and air filter as well as filling with super. Truck runs better but still something is causing a hesitation and sputter at low rpm
?
Any ideas?
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Old 07-15-2013, 01:39 PM   #2
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Check for codes first. Just to be sure. I have seen a bad TPS sensor cause a similar problem, but take that with a grain of salt, not a hard set rule.
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Old 07-15-2013, 06:56 PM   #3
luke8603 [OP] luke8603 is offline
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that is a possibility... I just find it slightly odd that it only started doing it immediately after fueling. I think ill try the fuel filter because it did look like the fuel truck had dropped fuel there that morning
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Old 07-16-2013, 08:33 AM   #4
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i have been battling the same issue for a while now. hesitation when going from idle to acceleration after i get past like 1500rpm and im moving i get no hesitation. No codes so its just a shot in the dark for me. I have done fuel filter, plugs, plug wires, TPS, cleaned injectors, next will be distributor and IAC i hope one of those fixes it.
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Old 07-16-2013, 09:55 AM   #5
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Quote:
Originally Posted by luke8603 View Post
that is a possibility... I just find it slightly odd that it only started doing it immediately after fueling. I think ill try the fuel filter because it did look like the fuel truck had dropped fuel there that morning
Understandable how it is looked at that way. Lots of things just "happen" after you do something. I have seen people say they stopped for gas and then the car didn't want to start, so they had it towed in screaming how they were going to sue the gas station for repairs. Come to find out their theft system had gone into default due to a bad key while they were driving. Wouldn't have mattered if they stopped for gas, food, or to take a leak. When they shut of the car it was NOT going to restart.

Not saying this is a case for you, just saying that it COULD be coincidence as a possibility. What I would also consider is if you filled up and this happened shortly after, take a fuel sample and have it tested. Could be simply bad fuel or water in the gas. So many possibilities of course, but again, start with the basics: Air/fuel/spark. Air - low chance of change just by fueling up. Fuel - bad fuel, water in fuel, fuel pump starting to get weak, etc. Spark - plugs, wires, coil.
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Old 07-17-2013, 04:40 AM   #6
luke8603 [OP] luke8603 is offline
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Update
I filled up at a different gas station then I normally do. Truck took about 17 gallons with in 15ish minutes of driving the difference was night and day. Not perfect but considerably better
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Old 07-18-2013, 04:39 PM   #7
luke8603 [OP] luke8603 is offline
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luke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shedluke8603 is one of the sharper tools in the shed
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now for new update I was just driving down the highway 70 miles per hour and I threw a random multiple cylinder misfire code for number 2And3 cylinder and I have no idea what to do about it is it possible that it's a bad ground if so where should I start looking
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