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1991 Oldsmobile Cutlass Calais 2.5L Excessive Emissions, Poor Idle Quality, Surge
THIS IS FOR A FREIND,I HAVE NOT SPENT A LOT OF TIME WITH THIS,BOTTOM LINE IT WONT PASS ASM EMISSIONS TEST HC AND CO ARE O.K. BUT NOX IS HIGH. INT AND BLM READINGS AT IDLE CLOSED LOOP ARE 128 BLM AND LESS THAN 90 TO 128 THEN SWITCHES BACK TO OPEN LOOP,MY FREIND...
FIX posted 5/31/2000
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Message Closed w/FIX
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| VIN | 1G3NL54U7M |
| Engine | 2.5 L / 4 cyl |
| Emissions | OBD1 FED |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge |
| Occurs | Always, Hot, Idle, During Warn Up Runs Rough |
Trouble Codes
| 13 | ho2s open circuit |
Message Closed w/FIX
Vehicle Data
1991 Oldsmobile Cutlass Calais
| VIN | 1G3NL54U7M |
| Engine | 2.5 L / 4 cyl |
| Emissions | OBD1 FED |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge |
| Occurs | Always, Hot, Idle, During Warn Up Runs Rough |
Trouble Codes
| 13 | ho2s open circuit |
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