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Any ideas? Plugs fouled after 2 minutes
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did you clear the code after the new maf? it will probably still miss due to the plugs even if it is fixed
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Swapped out MAFs and still the same issue.. I have new gaskets(Thanks Mike!) and will swap em out next week sometime.. I just have to walk away from it for a couple days...Originally posted by c0ncEpT View PostI'm leaning towards a MAF problem. Intake leaks usually cause a lean condition or a high idle.
But if Mikes MAF doesn't work just pull the intake off. It doesn't take more than 20min. New gaskets are cheap also.
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Originally posted by 1BADAIR View Postif its tuned correctly you can just unplug the maf and it should run fine. gaskets would normally cause a high idle and a lean condition.
if you can check the coolant temp with a scanner. usually when they fail/damage they goto -40 degrees which will dump a ton of fuel.
but....
now on the other hand. that code pushes the pcm into speed density which is probably the issue. its probably dumping fuel due to the tune.
and a bad maf or unmetered air can cause that issue
If the coolant temp sensor was bad wouldn't that kick the fans on? Or is that only if it was un plugged?
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I'm leaning towards a MAF problem. Intake leaks usually cause a lean condition or a high idle.
But if Mikes MAF doesn't work just pull the intake off. It doesn't take more than 20min. New gaskets are cheap also.
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My money is on unmetered air, probably into the intake.. time will tell!
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Yeah, just tried starting it with MAF unplugged.. Ran the same.. Mike is bringing his MAF, gonna swap it out when he gets here..Originally posted by 1BADAIR View Postwait. read the second part. that code pushes does the same thing as unplugging it. which is probably why its dumping.
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wait. read the second part. that code pushes does the same thing as unplugging it. which is probably why its dumping.
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I'll try unplugging the MAF.. I have no way to check coolant temp..Originally posted by 1BADAIR View Postif its tuned correctly you can just unplug the maf and it should run fine. gaskets would normally cause a high idle and a lean condition.
if you can check the coolant temp with a scanner. usually when they fail/damage they goto -40 degrees which will dump a ton of fuel.
but....
now on the other hand. that code pushes the pcm into speed density which is probably the issue. its probably dumping fuel due to the tune.
and a bad maf or unmetered air can cause that issue
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if its tuned correctly you can just unplug the maf and it should run fine. gaskets would normally cause a high idle and a lean condition.
if you can check the coolant temp with a scanner. usually when they fail/damage they goto -40 degrees which will dump a ton of fuel.
but....
now on the other hand. that code pushes the pcm into speed density which is probably the issue. its probably dumping fuel due to the tune.
and a bad maf or unmetered air can cause that issue
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Thanks for the input guys... TPS was never removed from TB.. Coolant temp was never unplugged(but will check)(you're talking the sensor by cyl 1).. I did check the TB gasket and it looked fine.. Going to try MAF Cleaner later, if it keeps kicking out the MAF code, then off comes the intake again... Anyone have a link to a PCM diagram showing what pins are for what? I used to have a link but can't find it.. But going to let it set for awhile.. Too fricken pissed at the moment..Originally posted by 1BADAIR View Postdid you plug the coolant temp in?
Edit: Checked coolant sensor, plugged in.. Rechecked all wiring, everything looks normal.. Leaning towards gaskets, cause honestly, I didn't check them as well as I should of and this is probably the 3rd time I've had the intake off and back on.. Have a fresh set of eyes stopping in a bit.. If Mike doesn't see anything unusual than off comes the intake...Last edited by OIF1VET; February 26th, 2011, 11:06 AM.
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some experience here! Hopefully its a easy fix larry!Originally posted by my1994z28 View PostI had the same problem recently,turned out my TB gasket was ripped at the bottom by one of the bolt holes..New gasket and all is well..might be worth a shot..also I was getting the same code,pointing towards the MAF..
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