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1999 Toyota Tacoma DLX 3.4L Misfire
Posted to Asian Driveability on 2/19/2014 10 Replies

Under load we have a misfire on cyl. 3 and 4 (codes:PO300, PO303, PO304). I have replaced the air filter, fuel filter, and MAF sensor. I have moved the coils and plugs on both cyl. with no change. I have cleaned the throttle body and checked for vacuum leaks a...

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  Related Documents & Media  1999 Toyota Tacoma DLX

 
Message Closed w/FIX

car Vehicle Data

1999 Toyota Tacoma DLX

VIN 4TAWN72N7X
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Toyota Tacoma DLX

VIN 4TAWN72N7X
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected
P0304Cylinder 4 Misfire Detected