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1991 Oldsmobile 98 Regency Elite 3.8L Code no MIL
Hi all; hope someone out there is having fun working on cars. Got another pain in the neck. Car came in with a stalling problem and MIL on. Code 42 was set, EST circuit problem. Checked out knock sensor and wiring all OK. Test came down to PROM or ECM, this sy...
FIX posted 1/5/1999
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| VIN | 1G3CW53L3M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | US Fed emissions |
| Symptoms | Code No MIL |
| Occurs | Always |
Trouble Codes
| 17 | RPM signal circuit |
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Vehicle Data
1991 Oldsmobile 98 Regency Elite
| VIN | 1G3CW53L3M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | US Fed emissions |
| Symptoms | Code No MIL |
| Occurs | Always |
Trouble Codes
| 17 | RPM signal circuit |
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