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1988 Toyota 4Runner DLX 2.4L Poor Idle Quality, Hesitation, Surge
Posted to Asian Driveability on 2/9/2009 7 Replies

this car runs fine when it gets warm it start runs rough coughing sound from exhaust like backfire, when i disconnect the o2 sensor it runs fine but get the engine lite on with code 21 but it still have code 51 but not sure what the switch signal means dont kn...

7 Replies Received (View Replies)

  Related Documents & Media  1988 Toyota 4Runner DLX

 
Message Closed w/FIX

car Vehicle Data

1988 Toyota 4Runner DLX

VIN JT4RN62D2J
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsobd1
SymptomsPoor Idle Quality, Hesitation, Surge
OccursHot

Trouble Codes

51Switch Signal
Message Closed w/FIX

car Vehicle Data

1988 Toyota 4Runner DLX

VIN JT4RN62D2J
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsobd1
SymptomsPoor Idle Quality, Hesitation, Surge
OccursHot

Trouble Codes

51Switch Signal