20 Most Recent 2003 GMC Savana Questions & Answers

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Hope you can read diagram. Make sure battery has a full charge.Not only check the fuse, check the fuse circuit for voltage, use a test lite. Also, check the fusible link. You could use a remote start button, they sell them at auto store, Hook up the leads correctly at starter solenoid. Hopefully the leads are long enough to get you out from under the vehicle, the leads on mine aren't that long. Then you hit the button to see if starter will crank the engine. If you try something like that, make sure tranny is in park or neutral and parking brake is set. The engine isn't froze? I can only help with testing.

ITS part of the alternator. Check it directly at the alternator if u can. It sounds like an alternator starting to go. Have it ckd if u can. It should be reading 14- 14.5 volts at the battery.

Find fuel test valve in fuel rail on top of engine. Take cap off valve. Turn key on. Push down valve with screw driver. fuel should squirt out. If not check fuse fuel pressure relay and bad wires. If fuel does come out, remove a spark plug from engine. Connect plug wire to plug. Ground plug against engine. Crank over engine and look for spark.

It's on a sticker under the hood at the radiator core support top frame.

Does it have any power when you start moving? I've seen a lot of plugged catalytic converters. You may want to have an exhaust back-pressure test done.

My rear a/c blows but the passager side vents don't blow can you tell what is wrong with it.

reviso el switch que esta junto a la luz interior?, regularmente tiene tres posiciones, una es para mantenerla encendida, otra es para que encienda cuando se abra la puerta, y la ultima es para mantenerla apagada todo el tiemo

Check oil level and "top off" as needed.