i would say pull the altonator take it to a part store and have it tested. you can do the same thing with your battery.
troubleshoot head lamps on 1988 grand marquis? Not working...fuses OK
will a 94 grand am with a 2.3 engine work for a 98 grand am with a 2.4 engine
try disconnecting battery for 15 minutes
Disconnect the negative battery cable for about two minutes and that should reset your check engine light.
Trouble code P0100 means:Mass or volume air flow circuit malfunction
Have vehicle scanned to clear the codes or try disconnecting the battery for about 10 minutes
I would take ignition module off and have it check at one of the autoparts stores if good i would replace crank sensor .
The computer has the top end limiter in it. You need a programmer tool to raise the top end. Look to see if Superchips makes a programmer for your specific car and engine.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
If it is the check engine light it has nothing to do with an oil change. If it service required in th eoverhead console you press the "step" button until it says "0" miles to service. Then press and hold "reset" until it resets.
The 2008 Suzuki Grand-Vitara has a V6 engine.