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1998 Toyota 4Runner SR5 3.4L Poor Idle Quality, MIL Lamp on
Posted to Asian Driveability on 8/13/2010 6 Replies

Car came to us from another shop. Cel inop but had 4 codes, po100,110,171,120. Found air cleaner plugged and maf very dirty. Replace air filter and cleaned maf. Found tps reading 0% at idle. Replaced tps. Runs ok now but still has high idle cold or hot and som...

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  Related Documents & Media  1998 Toyota 4Runner SR5

 
Message Closed w/Summary

car Vehicle Data

1998 Toyota 4Runner SR5

VIN JT3HN86R6X
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0100MAF Sensor Signal Voltage Too High
P0110Intake Air Temperature Sensor Signal Too High
P0120Throttle Position Sensor Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
Message Closed w/Summary

car Vehicle Data

1998 Toyota 4Runner SR5

VIN JT3HN86R6X
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0100MAF Sensor Signal Voltage Too High
P0110Intake Air Temperature Sensor Signal Too High
P0120Throttle Position Sensor Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)