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You probably have two problems. The first one being a faulty oil pressure switch that causes the oil pressure to give a false high reading. The knocking problem could be caused by worn main bearings or worn rod bearings. I have also experienced knocking sounds caused by a worn timing chain and/or a loose torque converter. Hope this helps you.
What else can I help you with?
Fuel pressure regulator on a 1991 Chevrolet s-10?
thank you
Where could a knocking be coming from at the rear of my 1991 geo prism. nothing seems to be loose?
I found my noise wasn't something loose. It was the rear strut was bad. Was more of a load squeak that sounded like something knocking.
What causes a knocking noise in the heater box in a 1991 Chevy silverado?
the blend door actuater is more than likely the cause of the noise.....very common....can go in behind the glove box to replace it.
Will lift kit for 2000 Chevrolet fit a 1991 Chevrolet?
NO it will not.
Can you put a 1991 Chevrolet engine in a 1997 Chevrolet?
Yes.
How do you replace an ignition switch for a 1977 Chevrolet truck?
n ignition switch on a 1991 Chevrolet astro vanAnswern ignition switch on a 1991 Chevrolet astro van
What can cause the Clutch not to Engage to change gears on 1991 Chevrolet Truck 4X4?
BAD clutch slave cylinder, wore out clutch and pressure plate.
When was Holy Noise created?
Holy Noise was created in 1991.
Does a 1991 Chevrolet Cheyenne have airbags?
No
Will the fuel pump from a 2005 Chevrolet work for a 1991 Chevrolet truck?
No, 2005 makes 60+psi, 1991 is 15 psi.
When was Bring the Noise created?
Bring the Noise was created on 1991-07-08.
Noise in the front end of 1991 Toyota Camry le and brakes make a noise what could it be?
State your noise.
