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Isuzu Ascender P1639 Engine Trouble Code

Isuzu Ascender P1639 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Isuzu Ascender P1639 Code Meaning :

P 1 6 3 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Temperature Sensor B Circuit Range/Performance Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector) Reverse Input Circuit
Isuzu Ascender Engine

When you check Isuzu Ascender car engine light came on code P1639 the reason should be . However manufacturer may have a different definition for the P1639 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1639 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for P1639 code is occuring now you should check P1639 repair processes.
Now don't ask yourself; What should you do with P1639 code ?
The solution is here :

Isuzu Ascender P1639 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

P1639 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1639 engine trouble code is about Reverse Input Circuit.

Reason For P1639 Code

The reason of P1639 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

Parts or components should not be replaced with reference to only a P1639 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.