
1998 Chevrolet Tahoe LS 5.7L Egr, Evap, CAT monitors
Need help to confirm EGR monitor enable criteria. Will confirm TPS again and disconnect brake light switch and drive on dyno tomorrow. Truck runs fine. No codes. Will not run the three monitors for some unknown reason.
FIX posted 3/6/2013
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Message Closed w/FIX
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VIN | 1GNEC13R1W |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | EGR, Evap, Cat Monitors |
Conditions | Will Not Run 3 Monitors |
Misc. | New Front O2 Sensors, Thermostat, ECT, Evap Vent Solenoid, Evap Purge Solenoid |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet Tahoe LS
VIN | 1GNEC13R1W |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | EGR, Evap, Cat Monitors |
Conditions | Will Not Run 3 Monitors |
Misc. | New Front O2 Sensors, Thermostat, ECT, Evap Vent Solenoid, Evap Purge Solenoid |