2003 Buick Century "causes poor fuel ignition" Questions

...causes - Faulty spark plug 1 - Clogged or faulty fuel injector 1 - Faulty ignition coil 1 - Fuel injector 1 harness is open or shorted - Fuel injector 1 circuit poor electrical connection - Ignition ...

I would double check the battery connections make sure they are tight enough.It takes alot more amperage to turn over a starter then to operate a fuel pump if the connection is poor it can cause this

...fuel and ignition, without any one of these components the engine will not run. Compression - Engine compression caused by crankshaft rotation and pistons moving up and down inside the engine block. ...

...fuel pump, ignition module CHEK THE STARTER RELAY DONT KNOW WHERE THEY PUT IT BUT FIND IT AND CHECK IT I have dealt with a similar situation, the crank sensor tested good also for the one I was ...

...poor wire connection. Check for intermittent in circuit. Check for kinked, pinched or plugged vacuum lines to EVAP purge or fuel tank vapor line. Also check for restrictions. Faulty or damaged ...

...poor terminal to wire connection.Damaged harness.Inspect the wiring harness for damage.If the harness appears to be OK, connect the J 41413 EVAP pressure/purge diagnostic station to the EVAP service ...

...causes and solutions: Ignition system: A faulty ignition system can cause a misfire. Check the spark plugs, ignition coil, distributor cap, and ignition wires for any signs of damage or wear. Replace ...

...poor electrical connection Insufficient cylinder 5 compression Incorrect fuel pressure Intake air leak Low Fuel Pressure Vacuum Leak EGR system malfunction Internal Engine Problems (such as low ...

...causes Faulty spark plug 4 - Clogged or faulty fuel injector 4 - Faulty ignition coil 4 - Fuel injector 4 harness is open or shorted - Fuel injector 4 circuit poor electrical connection - Ignition ...

...causes- Crankshaft Position (CKP) sensor harness is open or shorted - Crankshaft Position (CKP) sensor circuit poor electrical connection - Faulty Crankshaft Position (CKP) - Ignition System - Fuel ...