Hi, my car, a chevy Malibu 2015 LS 2.5L has been having some issues for a few weeks. Here is the full story: Rpm are very low at idle (when in drive, higher when in park) and more importantly, it is not constant, stable over time, it goes up and down and sometimes it causes the car to stall. Stal…

Has anyone tried cleaning the electronic throttle body? [image] Tester

Not to my knowledge… So you think it is more an electronic issue than a mechanical issue?

The mechanic thinks it is the main wiring harness. He asks 1600$ for it. Do you think it could be the cause of all the problems?

Blaming the “computer” or the “main wiring harness” is really code for “we don’t know what your problem is, and hope you will go away.” Find another mechanic.

You need to find a better shop and/or mechanic to figure this one out When a guy wants to replace the main wiring harness, it’s a guess . . . and an expensive guess at that . . . because his diagnostic skills are weak and/or he’s not very systematic in his diagnosis [image] dj-02_171367: check…

Yes, that’s what I’m afraid about. And $1600 is a looot of money… So I won’t accept the job and either try to sell the car to someone who want to take care of the problem or a dealer or bring it to a junkyard…

it has about 120k miles and has a rebuilt title due to a wreck by previous owner.

Chevrolet malibu 2015 issues

Maintenance/Repairs

Cavell October 12, 2020, 10:13pm 6

How many miles?

Topic		Replies	Views
Mechanic is stumped Maintenance/Repairs malibu , chevrolet	35	3196	August 7, 2021
Please Help 2013 Chevy Malibu Troubleshoot stalling when idle and start issues Maintenance/Repairs	24	11096	January 31, 2022
2001 Chevy Malibu Maintenance/Repairs	6	269	December 4, 2008
99 Malibu Idles Rough Maintenance/Repairs malibu	3	726	June 16, 2008
Impala Stalling Maintenance/Repairs	0	242	May 15, 2009

Chevrolet malibu 2015 issues

Related topics