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1986 GMC caballero 5.0L MIL Lamp on
Vehicle came in with mil light on and code 53 stored. No other codes stored. Went through troubleshooting flow chart in ShopKey and came up with nothing. Egr system is working fine, but mil light keeps coming on. Updated prom has been installed, and egr soleno...
FIX posted 2/18/1999
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Message Closed
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Related Documents & Media 
| VIN | 3GTCW80H7G |
| Engine | 5.0 L / 8 cyl |
| Emissions | ca emissions |
| Symptoms | MIL Lamp On |
| Occurs | At Freeway Speeds |
| Misc. | Prom #8478 |
Trouble Codes
| 53 | EGR control vacuum problem |
Message Closed
Vehicle Data
1986 GMC caballero
| VIN | 3GTCW80H7G |
| Engine | 5.0 L / 8 cyl |
| Emissions | ca emissions |
| Symptoms | MIL Lamp On |
| Occurs | At Freeway Speeds |
| Misc. | Prom #8478 |
Trouble Codes
| 53 | EGR control vacuum problem |
Video