Question about 2007 Chevrolet Avalanche LTZ

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Turn the key to start all the lights go out except the check engine light and will not even attempt to start. Had battery and starter tested they are both good and changed the start relay still have nothing.

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No check engine sounds like ecm is bad. That lignt should be on until the engine starts. You can try to use a code reader from advanced auto or local auto parts store to see if you can get anything off of it.

Posted on Feb 08, 2010

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1 Answer

Turn key just a clicking noise. Lights come on. Check engine light on


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Make sure battery has a full charge and battery connections all good, on both ends, not just at the battery. I looked at info for 4 cylinder engine. You can see the two fuses, not only check the fuses, use a test light and check voltage at fuse circuit. The main fuse is hot all the time. The starter fuse goes hot with key in start position, so you need a helper to turn the key while you check for voltage at the fuse. At the starter motor, two voltage circuits, one comes from the battery, hot all the time. The other circuit goes hot with key in the start position and is wired through clutch switch and starter relay. The starter motor grounds through the engine block. If good voltage and ground circuits at the starter motor and no action, have to check starter motor and make sure the engine isn't seized. Any testing at starter motor, make sure tranny is in park or neutral and parking brake is set.
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Car will not crank and the timing chain is fine


Well, that's good, but even if the chain was broke, the starter would still be tryiing to start the car. Since your starter wont crank the engine over, your start circuit has a malfunction. Possibly the starter went out, so you need to have that tested for a malfunction. A simple test of part of the circuit is to turn the key to on.. Now your dash warnimg lights (oil, alternator, and check engine light) should be on. Are they on, and your gauges working? If not you have lost power to the ignition switch, so check your battery connections. If the key switch turns the dash on, then turn key to start. Do you hear a click from the engine area? If not, have the starter checked. If you do hear a click, or several clicks, then power from the switch is causing that click, probably at the starter. Turn the headlights on and observe them. Are they bright? If not, charge the battery up. If they are bright, watch them while a helper turns the key to start. If the lights go dim in start, probably a bad starter. If the lights don't dim, it could be a bad connection somewhere, like the battery or starter. Good luck

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1 Answer

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Have you put a code reader in to help you detect the problem.? I know this sounds silly, but does the horn work? Check the manual for battery relay.

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Used parts such as starters and altinators don't last. It might **** but it sounds like you need to buy a new starter,altinator, and battery. Or just start with buying one at a time.

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1 Answer

My 1998 Accord will not start. When i turn the key it acts like the battery does not have enough power to turn the engine. I tried jumping but that did not help. I did notice that when the headlights...


It's possible that the starter or starter solenoid has failed. If you have a meter or test light, check for power at the battery cable connection to the solenoid. Try the starter, if the light goes out or the meter reads zero volts, suspect a poor cable connection at the battery end. If power remains, move the test to the starter terminal. If power appears when the key is turned, but no engine turning, replace the starter. Hope this helps!

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it does sound like the starter is failing.... the next time it won't turn over.... have someone smack the starter with a hammer...while you attempt to start it... not hard enough to break it tho.

Robert

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2000 dodge intrepid won't start


check cables to battery.if battery is 5years or older replace.
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Having problems with turning over......


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