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2003 Toyota Highlander 3.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Asian Driveability on 5/25/2020 24 Replies

Here's a little back story of the car. Customer came in requesting to replace the converters. He had someone check them and found to be bad. I replaced all of them for him. The cats where indeed clogged and separating. Car started up and ran ok afterwards....

24 Replies Received (View Replies)

  Related Documents & Media  2003 Toyota Highlander

 
Message Closed w/FIX

car Vehicle Data

2003 Toyota Highlander

VIN JTEGF21A63
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Toyota Highlander

VIN JTEGF21A63
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected