EGR Pintle Position Circuit Failure code? 96 3.1 Regal - Page 2 - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat


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Old 07-30-2017, 02:14 PM   #11  
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Default MAF sensor

I have solved the issue with having to hold the throttle/having to have a vacuum leak for the engine to start/run. I got a Bluetooth odb2 scanner and the Torque2 app for android. The issue you are having is most likely an internal wire break on your MAF sensor. No MAF sensor and the signal drops to 14 cfm which the MAF sensor controls the fuel map. I recommend a Delphi MAF sensor. Your cfm when you start the car should be around 50 cfm and then settle around 32 cfm.
The egr problem may be a seperate issue. Fix the MAF sensor first and it may go away.
You can find your egr troubleshooting guide here
http://easyautodiagnostics.com/

Quote:
Originally Posted by feedtheworm View Post
Does anybody know what this code means? I replaced the EGR valve but it didn't help anything.
I sealed a vacuum leak recently and ever since It'* hard to start and has a wild, loping Idle and will die unless I'm giving it a little gas. That'* if it'* warmed up at all.
If it'* a cold start it idles a little bit higher but it'* steady.

I've already replaced the EGR valve, IAC valve, Throttle Position Sensor, PCV valve and cleaned up the entire throttle body. When it had the vacuum leak it always started easily and although the idle was a little inconsistent, it never died.

Any advice would be greatly appreciated.

Thanks
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