Posted: Fri Sep 16, 2011 10:06 pm Post subject: Need some serious help for my '04 LS with 3.8 L
First post and it's a doozy. I'm praying someone out there can help, and fast. My '04 Impala LS has developed an idling problem - when started, unless I can keep the rev's over 2 K, it chokes and dies. I also noticed two days ago that I had that horrendous infamous DexCool issue with it leaking all over the top side of the motor, so today thanks to all the information I read here, we replaced the UIM, the LIM, the IAC, the thermostat, ran all the DexCool out of it, and now...it still will not idle on its own without putting my foot darn near through the floorboards to keep it running. What could we have missed today? Any and all suggestions would be most gratefully accepted. HELP! LOL
EDIT: Status update: We removed the MAF with security torx, sprayed it with MAF cleaner, and VOILA!, I have my Imp back on the road running like a big dog once again. Thanks to all of you for your assistance, and thank goodness for this forum - you saved my car!
Last edited by starskgrrl on Sun Sep 18, 2011 3:07 pm; edited 1 time in total
Posted: Fri Sep 16, 2011 10:10 pm Post subject: MAF or the TPS?
Try the Mass Air Flow next.
Sorry - I'm a mechanical dolt - friends have spent the entire day today doing all these gasket, etc., replacements. Could you explain what the MAF should be doing and if it's not working properly, what the symptoms are? Thank you so much for answering so quickly!
try cleaning it first or running the car with it un plugged (not for a long time) and see if it makes a difference. people clean all the build up on it with MAF cleaner.
We are certainly going to give that a try first thing tomorrow morning - and I can't thank you both enough for all your help tonight. I'm praying that this solves the issue. If not, I'll certainly be back to learn from your expertise some more. Thank you both again for all your assistance!
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