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1999 Cadillac DeVille d'Elegance 4.6L Backfires thru intak
When backfiring through throttle body, scan tool data shows
bank 1 going very lean-injector pulse width higher than
bank 2,stft higher than bank 2 & bank 1 o2 reads under 50
mv
FIX posted 4/25/2017
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Message Closed w/FIX
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20 Replies Received
20 Replies Received
Related Documents & Media | VIN | 1G6KE54Y8X |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / PFI |
| Emissions | OBD-II Compliant |
| Symptoms | Backfires Thru Intak |
| Occurs | Always, Under Load, on Accel |
Message Closed w/FIX
Vehicle Data
1999 Cadillac DeVille d'Elegance
| VIN | 1G6KE54Y8X |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / PFI |
| Emissions | OBD-II Compliant |
| Symptoms | Backfires Thru Intak |
| Occurs | Always, Under Load, on Accel |
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