2001 Pontiac Aztek Q&A

2001 Pontiac Aztek Question: fuel pump

signs of fuel pump malfunction -
Answer 1
Have a fuel pressure test performed to determine if your pump is functioning appropriately. -
Answer 2
Low fuel pressure will cause fuel starvation under load on acceleration resulting in a loss of power, (lean running condition)Too much fuel pressure is caused by a restricted fuel return line or such. As Dave said get pressure verified using a fuel pressure gauge to verify pressure and volume is OK. -
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