Check Engine Light/Reduced Engine Power?? (ANyone please help) (Full Version)

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Check Engine Light/Reduced Engine Power?? (ANyone please help)

  

Drama -> Check Engine Light/Reduced Engine Power?? (ANyone please help) (6/27/2008 4:49:07 PM)

hey guys im having some serious issues with 03 cts....two days ago i started up my car and the check engine light came on along with the traction control light and the radio displayed engine power reduced, thinking it was a mistake i briefly turned off the engine and started it again and the problem magically disappeared....unfortunately the car suddendly stalled on me on the highway, i turned the key and got it to start again but this time the engine light/traction control light along with the engine power reduced poped up again and the car wouldnt go no more then 2mph (literally 2mph). i got it towed home and yesterday morning it started up fine other then the check engine light staying on so i drove it around the block and everything "seemed" arlrite, today however im having the same problem....

this is a 2003 cts basic model, mileage is at 130k and change, and best of all my warranty is up....the car is well maintained/serviced. money is defenitely an issue so before i take it to a mechanic and get my pockets raped i wanna ask u guys for any suggestions/comments or if anyone has the same problem or better yet an actual solution for this problem.....in other words SOMEONE PLEASE HELP ME!!!!! (seriously)  

  
ctsv8 -> RE: Check Engine Light/Reduced Engine Power?? (ANyone please help) (7/1/2008 7:32:55 PM)

Your going to have to get someone to read the codes in the ecm.  I remember several wireing issues that could cause the problem.  Check the connector at the throttle body and the connector on the drivers side rear of engine.  Good Luck

Drama -> RE: Check Engine Light/Reduced Engine Power?? (ANyone please help) (7/2/2008 4:41:22 PM)

Thanx for the reply,
I actually stop by a mechanic yesterday and there were no codes, he then said something about going into "generic mode" and found a couple of codes all related to the throttle like you mentioned, he also said that it might have something to do with "ground wires"

The funny thing is the car has been running perfectly fine for a week now.

robocaddy -> RE: Check Engine Light/Reduced Engine Power?? (ANyone please help) (7/30/2008 9:53:15 AM)

Do you smell any burning oil?  same happened on my CTS, turned out it need valve covers replaced. 

Drama -> RE: Check Engine Light/Reduced Engine Power?? (ANyone please help) (8/24/2008 9:37:46 PM)

So its been almost exactly 2 months since I had this problem, and unfortunately today it happened again....once again on the highway [:@]. Im not sure where to go from here, I guess my only choice now is the $dealership$ let me know what you guys think

p.s. Robo there was no burning oil smell, it must have been something else!

Drama -> RE: Check Engine Light/Reduced Engine Power?? (ANyone please help) (8/28/2008 9:50:15 PM)

Quick update: I took her to the shop this past monday, my guy checked out all the wires and got rid of all the codes the car is running fine but he warned me that it WILL breakdown again. He said that i would have to change the throttle (something related to it) and the sensors/receivers for the accelaration pedal, that should cost me about $650.....I''m definitely looking for a second opinion!

cjlaw73 -> RE: Check Engine Light/Reduced Engine Power?? (ANyone please help) (9/18/2008 11:32:59 AM)

Any chance this is happening while its raining?  This is a common issue with C5 Corvettes - did it with mine.  Not sure if it is a problem that translates to other GM models or not.   My yissue was that the previous battery had leaked onto one the computers (can''t remember which one off hand) and anytime it rained it cause expose portions of the wiring harness to send all kinds of funky codes (you can easily read the codes in a Vette).  It finally starting causing my car engine to misfire!  Made the mistake of going to the dealer twice with them being unable to figure it out, and then finally once the wiring harness was replaced the car never had an issue again.

  

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