P1234 Engine Trouble Code
When you check engine light came on code P1234 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1234 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1234 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.
P1234 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||Ambient Air Temperature Sensor Circuit Low||Cold Start Injector 1 Malfunction||Clutch Position Sensor Circuit Malfunction|
Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.
P1234 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1234 OBD-II Trouble Code Fuel Pump Driver Module Off Line is one of the definitions for the P1234; however your vehicles manufacturer may have a different definition for the P1234 code. Please check below for your specific ma P1234 code.
Reason For P1234 CodeThe reason of P1234 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.
Parts or components should not be replaced with reference to only a P1234 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.