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1998 Infiniti Q45 4.1L Hesitation, Misfire, MIL Lamp on
Posted to Asian Driveability on 5/14/2012 7 Replies

Thanks to all in [...] came in with customer complaint of mil on and off and hesitates.I scanned and found 3 codes,2 knock sensor codes and a tps code.I road tested car and found that under light throttle it would loose power and backfire through [...] for vac...

7 Replies Received (View Replies)

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car Vehicle Data

1998 Infiniti Q45

VIN JNKBY31A7W
Engine4.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire, MIL Lamp On
OccursOn Accel

Trouble Codes

P0325Knock Sensor 1 Circuit Malfunction
P0330Knock Sensor 2 Circuit Malfunction
P1705Transmission Range Switch Circuit Low Input
Message Closed

car Vehicle Data

1998 Infiniti Q45

VIN JNKBY31A7W
Engine4.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire, MIL Lamp On
OccursOn Accel

Trouble Codes

P0325Knock Sensor 1 Circuit Malfunction
P0330Knock Sensor 2 Circuit Malfunction
P1705Transmission Range Switch Circuit Low Input