Having problems with your Chevrolet Lumina ?

I am having a problem getting rid of a P0507 (Idle RPM Higher Than Expected) code on my sons 2000 Lumina 3.1L sedan. I have replaced the following: Spark Plugs, Spark Plug Wires, Fuel Filter (The flare fitting was so corroded that I had to cut the line and splice in a repair section, it was the original Fuel Filter), Idle Air Control valve The History: Just bought this car for my son USED. It idled rough and was down on power. Had a bunch of codes stored I just cleared them all out (May

Posted / edited by AnonymousUser on : 22-10-2018

Answers :

If you have the codes already I am not sure if you need this device. It sounds like it could be your throttle position sensor from what you've described. I would definitely suspect that before gaskets and such. If anything a smart investment with any car you plan on having and maintaining yourself is a factory service manual.You can get them from ebay for about 35$ here is an example. http://cgi.ebay.com/ebaymotors/2000-Chevy-Lumina-OEM-Shop-Service-Manual-Set_W0QQcmdZViewItemQQ_trkparmsZ65Q3a12Q7c66Q3a2Q7c39Q3a1Q7c72Q3a1205Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem334af87810QQitemZ220301129744QQptZMotorsQ5fManualsQ5fLiterature
This isn't much more then a haynes manual and has every nut and bolt and everything else and is what the dealer mechanics use. Then you could test the throttle position sensor with multimeter and know if its good or not. As well as a lot of other things. Let me know if you need further assistance before going onto another expert and I will be glad to assist you further.
Thanks,
Lee
You need to calibrate the iac motor with a scan tool,like the snap-on scanner or the official gm one. Also,after disconnecting the battery it can take up to 50 miles of driving for the pcm to re-learn the idle.
Repair Help & Product Troubleshooting for Chevrolet Lumina

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