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1988 Chevrolet R20 Suburban Scottsdale 5.7L Poor Idle Quality, Cuts out, Stall, MIL Lamp on
I have this Suburban in the shop that is just driving us crazy. Has intermitant code 42, will usually go into est bypass until key is shut off. Idle will sometimes climb up to [...] rpms, or will idle too low. We have replaced distributor, ecm, plug wires, cus...
Summary posted 6/13/2003
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Related Documents & Media | VIN | 1GNGR26K5J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 42 | EST Bypass fail |
Message Closed w/Summary
Vehicle Data
1988 Chevrolet R20 Suburban Scottsdale
| VIN | 1GNGR26K5J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 42 | EST Bypass fail |
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