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Assuming you mean "fuel pressure regulator", year and engine size info we need to know, it matters.
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∙ 11y ago
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5.3 Chevy black smoke high fuel consumption?
Bad fuel pressure regulator, Map. sensor not working or the vacuum line is bad or off of the sensor. You did not say what year it is.
What is PO191 cencor for a Chevy truck?
Fuel rail pressure sensor fault. Most usually an out of range fault caused by a plugged fuel filter, bad fuel pump or faulty sensor. (In that order)
Would a bad fuel pressure sensor give a negative pressure reading?
NO it will not.
Why does your 1992 Chevy 350 run rich?
Bad MAP sensor, fuel pressure regulator blown / bad, O2 sensor. coolant sensor bad. Check these things out FIRST. If you don't find your problem here then Please ask us your question again
1997 Chevy Tahoe will not start. I have replaced the fuel pump and it turns over but still will not start.?
Possible bad crank sensor on the distributor, possible bad oil pressure swith.
How do you know if your 2005 Chevy Malibu fuel pump is bad?
Fuel pressure test.
Will a vehicle start if the fuel tank pressure sensor is bad?
yes
Why does your 1999 Chevy venture run so rich?
Bad Mass air flow sensor, fuel pressure regulator may be leaking, fuel injectors may be bad, oxygen sensor. Is your check engine light on? If so, stop by autozone and they should scan it for you for free
What does an bad fuel pressure sensor do?
It relays bad info to the gauge. If you have a GM, it is probably what is wrong.
How to check if your fuel pump is bad in a 2004 chevy trail blazer?
Fuel pressure test.
How can you tell if my fuel spider is bad on my 1998 CHEVY C1500?
Have a fuel pressure test run.
Where is the oil sending unit on 1998 Chevy 6.5 diesel?
Behind drivers side valve cover at the firewall. The 6.5 diesel is known for the oil pressure sensor going bad. This three wire sensor is both the sending unit for the oil pressure gauge and the safety cut off for the fuel pump relay. (no oil pressure, no fuel pressure.)
