Join Date: Oct 2007
Location: Orange County, CA
When my pump went bad, the symptom was a high-end stumble around 5000rpm. I hooked up a gauge and got 40ish at prime and idle but the pressure would drop to ~20 close to readline. Replaced the pump, and pressure was good to go again. I also did the trap door method.
"When you are knowledgeable about all aspects of your rebuilding project, it will likely succeed with flying colors."
"If you don't know that it's right, presume it isn't."
1999 Chevrolet Camaro SS, M6, K&N FIPK CAI, Mangaflow Cat-back
1997 Chevrolet Camaro SS, M6, Flowmaster Cat-back
Project: LQ4 build-up in progress