
2001 Infiniti QX4 3.5L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on
Vehicle received running very rough, barely could nurse it into bays. At the time only code P1490 [ open or shorted vacuum cut valve by-pass valve ]. In park if you smoothly increased the rpms to about 2500 it was smooth. But if you tromped it it would stumble...
FIX posted 12/17/2015
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Message Closed w/FIX
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VIN | JNRDR09Y81 |
Engine | 3.5 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
P1490 | Low Speed Radiator Fan Relay Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2001 Infiniti QX4
VIN | JNRDR09Y81 |
Engine | 3.5 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
P1490 | Low Speed Radiator Fan Relay Circuit Malfunction |