P1421 Citroen Cold Start Control

P1421 Citroen Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 Citroen code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1421 Chrysler Cold Start Control

P1421 Chrysler Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 Chrysler code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1421 Chevrolet Cold Start Control

P1421 Chevrolet Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 Chevrolet code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1421 Cadillac Cold Start Control

P1421 Cadillac Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 Cadillac code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1421 Buick Cold Start Control

P1422 Buick EGI Temperature Sensor Failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave…

P1421 BMW Cold Start Control

P1421 BMW Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 BMW code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1421 Audi Cold Start Control

P1421 Audi Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 Audi code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1421 Acura Cold Start Control

P1421 Acura Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 Acura code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1421 Cold Start Control

P1421 Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 code is detected when The Engine Control Module (ECM) does not control ignition timing and engine idle speed…