Question about 2003 Pontiac Sunfire
You must get the engine control module scanned for fault codes, that is the first step in repair of the problem.
Posted on Apr 05, 2017
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Posted on Jan 02, 2017
SOURCE: 2003 Sunfire
Try to recharge your battery if its starts now ,the alternator must be bad,if still wont start make sure battery is good,then check the fuses and fuseable links.
Posted on Dec 03, 2008
Are you certain that the engine is getting fuel? If not, then you will have to verify that there isn't any blockage in the fuel system to prevent the fuel from reaching the engine. If fuel is reaching the engine, try the following
1. Check compression values for each cylinder.
2. Inspect electrical circuitry in the distributor assembly (slack wires, broken wires, dmaged rotor etc)
3. Check to see if the timing belt was not severed. This belt transmits the drive from the crankshaft to the camshaft. If the belt ius severed, the camshaft cannot rotate in order to open the valves
Posted on Dec 30, 2008
check and see if you have an emergency shut off in the trunk. it will be on either side of the finder wall. it is there in case you get in a accident. the button pops up. make sure the button is in all the way. that shut off might be your problem.
Posted on Mar 02, 2009
Starter solenoid , or wire that leads to it.
Also , if standard transmission , may be the switch on clutch pedal is intermitant.
Engine won't turn over unless it thinks you have your foot on the clutch.
Posted on May 05, 2009
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