Why do I have air bubbles coming from the fuel pressure check port.

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I took the cap off the fuel pressure check port to see if it was getting fuel. I got gas and air bubbles. The motor is running very rough and is hard to start at times. Fuel pressure regulator checks good. I took off the vacuum hose and let it run 15 minutes with no sign of fuel.

MichaelTravis in Marshall AR

Jul 13, 2014

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What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1993 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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Why do I have air bubbles coming from the fuel pressure check port.

What is your question?

MichaelTravis in Marshall AR

Jul 13, 2014

2 Replies

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w1t1eon Jul 13, 2014

you have air getting into your fuel system. this can happen with a leak in a fuel line or cap not properly closed/fail. this causes your fuel pump to work overtime and shorten its life

pushrodon Jul 13, 2014

Take your car to a MECHANIC and get it 'scan tested' and complete fuel pressure check! That includes pressure leak down... After engine is switched off... Stop guessing!!

MichaelTravison Jul 15, 2014

Thanks my friend. Don't know why I keep guessing. Guess I've got more money than brains. LOL! I've got to stop before I go broke. HA! Will have the pressure check done. I sure appreciate your input. Thanks again. Today I filled the car up and it's ran great all day. Nuts! I'm telling you!

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Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1993 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

1993 Pontiac Grand Prix auto repair 1993 Pontiac Grand Prix estimates 1993 Pontiac Grand Prix questions 1993 Pontiac Grand Prix problems 1993 Pontiac Grand Prix recalls

2 Replies

Popular Answer

w1t1eon Jul 13, 2014

you have air getting into your fuel system. this can happen with a leak in a fuel line or cap not properly closed/fail. this causes your fuel pump to work overtime and shorten its life

pushrodon Jul 13, 2014

Take your car to a MECHANIC and get it 'scan tested' and complete fuel pressure check! That includes pressure leak down... After engine is switched off... Stop guessing!!

MichaelTravison Jul 15, 2014

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