
1994 GMC C3500 Sierra SL 7.4L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on
This is a intermittent problem. Just when it seems better, it’s acting up, again. Main complaint is stalling. No brainer: replace distributor. I have fixed a lot of TBI sudden stalls with a distributor. No help! Darn! I know vehicle is lean because long te...
Summary posted 5/14/2019
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Message Closed w/Summary
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VIN | 1GDJC34N4R |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / TBI |
Emissions | OBD-1 california |
Symptoms | Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp On |
Occurs | Intermittently |
Misc. | Was a U Haul Truck. |
Trouble Codes
35 | iac system code |
36 | Iac system code |
Message Closed w/Summary
Vehicle Data
1994 GMC C3500 Sierra SL
VIN | 1GDJC34N4R |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / TBI |
Emissions | OBD-1 california |
Symptoms | Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp On |
Occurs | Intermittently |
Misc. | Was a U Haul Truck. |
Trouble Codes
35 | iac system code |
36 | Iac system code |