Auto >> AutoSPT >  >> Auto Repair

What is wrong on a 2002 GMC Safari if it turns over but will not start?

Possible causes:

* Fuel system issues:

* Check fuel pressure and filters

* Test fuel injectors

* Clean throttle body

* Ignition system issues:

* Check spark plugs and wires

* Test ignition coil

* Check distributor cap and rotor (if applicable)

* Air intake system issues:

* Check air filter

* Inspect air intake hose and connections for leaks

* Clean mass air flow sensor (MAF sensor)

* Electrical system issues:

* Check battery voltage

* Test starter motor and solenoid

* Inspect wiring and connections for shorts and loose connections

* Engine mechanical issues:

* Check engine compression and oil pressure

* Test valve train components

* Inspect for any blockages in the fuel system (such as a dirty fuel filter or failed fuel pump)