CHEVY ENGINE

1991 Chevrolet Cheyenne

Tiny

scottnalicia

July, 31, 2010 AT 8:24 PM

Engine Mechanical problem
1991 Chevy Cheyenne V8 Four Wheel Drive Manual 300000 miles

My truck won't stay running unless you keep your foot on the gas and when doing so its back firing and shooting flames from the fuel injectors

FOUND 1244 RELATED QUESTIONS

1 Answer

Tiny

hmac300

August, 29, 2010 AT 8:29 PM

Short each cylinder out by removing plug wires from plugs one at a time. When you find the offending cylinder check for compression, it may be either a bent/broken pushrod or valve spring/valve or burnt valve.

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