engine sputter
10-12-2007, 04:01 PM
#1
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Thread Starter
Join Date: May 2005
Location: north carolina
Posts: 60
engine sputter
When i am in first gear i give it full throttle when the rpms get to 2500 the engine lags or sputters, all the way up to around 3800 rpms. earlier today it was only doing it in 1st gear only, i checked my timing it was alitte off so i change it to 15 degrees. and now it does it in 1st and 2nd, but if i just drive it easy on the throttle it doesn't really sputter, i cleaned the maf about a week ago, also i had a whole in the flex in the intake tube so i, lol put tape around it to help. any ideas? its a sohc by the way
10-12-2007, 04:42 PM
#2
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Join Date: Jun 2004
Location: panama city, fl
Posts: 59
sounds like an air leak get some starter fluid and spray while the engine is running around the intake, tb intake tubing ect. if the rpms rise then you have a leak in the area you sprayed whien the rpms rise
10-13-2007, 12:35 AM
#3
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Join Date: Oct 2002
Location: arlington texas
Posts: 593
Do a diagnostic on the ecu to check for codes. It sounds like you MAF. try reseting the ecu by disconnecting the battery for about 30 min to an hour and then reconnecting the battery and start the engine to see if the sputter is gone.
10-13-2007, 01:19 PM
#6
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Join Date: May 2005
Location: north carolina
Posts: 60
no, i haven't yet, how do i check it on the obd1 isn't there a series of lights or something? i reset the ecu again today and i let it idle for around 10min or so and drove down the road it was clear up for a half mile or so then right back to what it has been doing, the only thing that seems a little different is that the idle isn't quite so smooth sounding coming out the exhuast.
Last edited by micahdeane; 10-13-2007 at 01:23 PM.
10-13-2007, 11:55 PM
#7
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Join Date: Oct 2002
Location: arlington texas
Posts: 593
The FSM will give you step by step instructions on doing an ECU diagnostics. A little tip for ya, after you reset the ECU by disconnecting then reconnecting the battery, get in you car and drive it like you stoled it. I mean drive it hard because by doing this the ECU will set it self for better performance and it will be noticeable.
10-14-2007, 03:38 PM
#14
the complaints i've heard about obd1 cars is that they are not as reliable when it comes to trouble shooting codes, true or not idk.
but anyways i'd say it's ignition or fuel delivery related. a bad injector or misfiring plug something along those lines.
now did your car have this problem before you did all the work? if not i'd say you should go back and make sure everything got plug in properly.
but anyways i'd say it's ignition or fuel delivery related. a bad injector or misfiring plug something along those lines.
now did your car have this problem before you did all the work? if not i'd say you should go back and make sure everything got plug in properly.
10-14-2007, 04:01 PM
#15
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Join Date: May 2005
Location: north carolina
Posts: 60
no the car didn't have the problem before all the repairs, also it didn't even have the problem after until about a week went by of driving it, it seem to all started when i covered the tear in the flex of the intake tube right at the tb, but tommorrow i will check sure everything is plugged in properly i already checked the plugs when i did a compression check on it saturday.