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1990 Oldsmobile Cutlass Calais S 2.5L back fire in TBI
When mesh hard on the pedal it pops back through the TBI. All ignition appears [...] it does not do it. Sounds like bad camshaft (looks good), plugs (changed 4 times), valve springs (changed on # 1 which appears to be the problem cylinder), maxed out the c...
FIX posted 3/24/2000
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| VIN | 1G3NF54UOL |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Back Fire in Tbi |
| Occurs | Under Load, Intermittently |
Trouble Codes
| 13 | O2 sensor |
Message Closed w/FIX
Vehicle Data
1990 Oldsmobile Cutlass Calais S
| VIN | 1G3NF54UOL |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Back Fire in Tbi |
| Occurs | Under Load, Intermittently |
Trouble Codes
| 13 | O2 sensor |
Video