
1989 Chevrolet K1500 Cheyenne 4.3L No Start, Poor Idle Quality, Surge, Cuts out
Truck has a surging idle, but when you first start it-it runs fine and then when it goes into closed loop it starts surging and runs rough. The gas readings that shows the HC=2100 at idle indicate a vacuum leak; none found. Scanner readings are blocklearn= 135...
FIX posted 10/16/2007
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Message Closed w/FIX
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VIN | 1GCDK14471 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | US |
Symptoms | No Start, Poor Idle Quality, Surge, Cuts Out |
Occurs | Idle |
Trouble Codes
45 | Rich Exhaust |
Message Closed w/FIX
Vehicle Data
1989 Chevrolet K1500 Cheyenne
VIN | 1GCDK14471 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | US |
Symptoms | No Start, Poor Idle Quality, Surge, Cuts Out |
Occurs | Idle |
Trouble Codes
45 | Rich Exhaust |