
1999 Toyota 4Runner SR5 3.4L MIL Lamp on
This truck intermittently pops a check engine light. customer says it seams to happen after filling the tank. Drove the car rear o2 fluctuates some, more than it should. Front a/f sensor fluctuates some, but doesn't seam like it's enough,to me. How much is the...
FIX posted 7/11/2008
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Message Closed w/Summary
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VIN | JT3HN86R5X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
1999 Toyota 4Runner SR5
VIN | JT3HN86R5X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |