Originally Posted by eea0016
i think that the code for the misfire is gone because i replaced the sparks and wires but the stalling still there and i was also cleaning the intake filter and i found oil in it and it comes out of the intake tube im also getting a vaccum leak code (large one) i checked all the vaccum hoses around the engine and they all seem to be ok i also replaced the purge valve and canister but the code wont go away and still stalling! THANKS FOR ALL YOUR HELP!
there is no "vacuum leak code". post the DTC number if you can.
i think if you read the code again it will say "evaporative emissions system leak detected, large leak". that is not a vacuum leak; evap leaks and vacuum leaks are completely different.
if you have a vacuum leak, your car would be running lean. check your LTFT (long term fuel trim) on both banks 1 and 2. you want that number to be close to 0; ideally no more than +/- 10%. if it says -xx% then the computer is cutting away fuel due to a rich condition on that bank. if it says +xx% then the computer is adding fuel on that bank due to a lean condition. 25% is the maximum amount the LTFT will adjust fuel trim in either direction, so if you see 25% your car is running very lean.
LTFT1 = bank 1
LTFT2 = bank 2
if you find that your car is running lean, check for vacuum leaks. with the engine running, spray intake/brake cleaner on all the intake connections after the MAF, and all vacuum lines and around the upper/lower intake manifold gaskets. if the engine revs up or the idle changes, you've found a leak. if you dont find a leak, clean your IAC and your MAF.
however, if it is an evap leak, you'll need to smoke test the system to find the leak.
why did you replace the canister? they typically only go bad once they start breaking down internally. you can remove the canister from the car and shake it. if you hear a bunch of loose stuff inside it, then it's breaking down. also, you can tip them on their side and black chunks will fall out of it if it's breaking down.
-2000 3.8L TKO600, 1.8 60ft, 8.71 @ 81mph
-1988 Jeep XJ, bone stock 2wd
-1994 Jeep XJ 4wd, 3" lift, 31" tires.. rust in peace..
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