
1994 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions
Hi: This Jeep came in because of High CO AND HC. NOx was around 500, just under pass/fail mark. We replaced O2 sensor and CO CAME DOWN TO 0.0% HC 28PPM. But NOx went up to over 900 ppm. There is no EGR system, no timing adjustment, engine temperature running a...
FIX posted 3/20/2004
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Message Closed w/FIX
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VIN | 1J4FX58S7R |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | CA EMISSION |
Symptoms | Excessive Emissions |
Occurs | Always |
Misc. | Suv |
Trouble Codes
N0NE | testing and results |
Message Closed w/FIX
Vehicle Data
1994 Jeep Grand Cherokee Laredo
VIN | 1J4FX58S7R |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | CA EMISSION |
Symptoms | Excessive Emissions |
Occurs | Always |
Misc. | Suv |
Trouble Codes
N0NE | testing and results |