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Intermittent starting problem

Old May 21, 2009 | 05:11 PM
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Default Intermittent starting problem

This has happened a few times. Luckily I've always been home when it has happened. When car won't start I turn the ignition to start it but nothing happens. I have lights ,Hud, Radio, but the car does not turn over. I hear no clickin, grinding nothing. Thought it could be battery so I fully charged it. Same results. After turning ignition switch many times it engaged and started. When turning ignition and it doesn't turn over I did notice the volts dropped all the way down. Please help, I'm afraid to go anywhere for fear I will get stranded. I know you guys will led me in right direction. Thanks Tom
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Old May 21, 2009 | 05:52 PM
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I have an automatic and had the same problem when i had my radar detector plug sticking out too far and was hitting my shifter keeping it from making contact with the safety switch,if its not all the way in park it wont start, just throwing it out there...
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Old May 21, 2009 | 07:55 PM
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thanks for the response but I have a 6 speed. I've wiggled and moved the shifter but to no avail. On a 6 speed I would think there is a safety to make sure the cltch is fully engaged. Don't know is the wears out or can be adjusted.i
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Old May 21, 2009 | 07:58 PM
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sorry bud,but you most probably need a starter.Had exactly the same thing happen-the easiest way to check it for sure is to connect the pos from the battery directly to the starter selenoid (coil).It should engage the starter and if the key is on the car will start.The problem is that's a PITA to do it on the road so I suggest you hook it up in your garage (the wire) and have the other end tacked by the baattery.Next time it happens just touch that end to the positive and it HAS TO engage the starter if the starter is ok.

the good thing is that you can't get stranded in a manual...

Last edited by wildbadbill; May 21, 2009 at 08:01 PM.
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Old May 21, 2009 | 10:07 PM
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HA!!!!!!!!!!!!!! The C5 Starter is just about bullet PROOF! However,,,,,,,,The solenoid is CRAP! It is a common failure piont. My recommendation is to fine a new starter solenoid and install it. That requires starter removal but you save approx $300. A new solenoid is approx $ 45.

BC
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Old May 21, 2009 | 10:17 PM
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Originally Posted by Harley2Vette
thanks for the response but I have a 6 speed. I've wiggled and moved the shifter but to no avail. On a 6 speed I would think there is a safety to make sure the cltch is fully engaged. Don't know is the wears out or can be adjusted.i
On the toeboard. Activated by the clutch pedal when pushed all the way down.
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Old May 22, 2009 | 04:00 PM
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Had that problem, replaced starter no more problems
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Old May 22, 2009 | 04:41 PM
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Had the same problem with my A4.... turned out that it was a dirty security 'pill' on my key.

Weird, I know... but true.

Mark
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Old May 23, 2009 | 07:13 AM
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When you turn on the key, does the security light go out?? Pull the BCM codes and see if it says that the pass lock has failed. If so, the ignition switch is not reading the puck in the key. Dirty key puck, dirty contacts in the ignition switch, broken wire. By the way, if it is this, after the first failure, there is a 3 minute wait before it will let you try again.

If it is the ignition switch, you can always just pull the pass key wire off and put in a resistor that is the same resistance as your key and not have to replace the switch.

It could also be the security relay located above the BCM. If you do not have any pass key errors from the BCM, check the voltage on the starter at the solenoid terminal. It should be 12v with the ignition key
all the way over at the start position.

Reb
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Old May 23, 2009 | 07:34 AM
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Originally Posted by RobertEarl
When you turn on the key, does the security light go out?? Pull the BCM codes and see if it says that the pass lock has failed. If so, the ignition switch is not reading the puck in the key. Dirty key puck, dirty contacts in the ignition switch, broken wire. By the way, if it is this, after the first failure, there is a 3 minute wait before it will let you try again.
Reb

that really weird my car wont start some times but it will every time after 3 mins. how do i figure out what my key res is? and do you know what the color of the wire is i need to put the res on?
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Old May 23, 2009 | 08:42 AM
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the good thing about applying the power directly to the solenoid (while experiencing the problem) is that the starter,if good,HAS to crank.You simply bypassing all security gizmos etc.But it has to be done exactly at the time of malfunction.
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Old May 23, 2009 | 03:44 PM
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Robert Earl, you hit it right on the head. I had a broken wire in the ignition switch. My mechanic put a resistor in line that matches up and problem solved. Replacing the switch and keying it the same with the right resistance would have set me back $250 -$300.
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Old May 23, 2009 | 07:11 PM
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Glad I could help.

Reb
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Old May 26, 2009 | 10:41 AM
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Default Got stuck in a parking garage.. used a tire iron and whacked the starter

I had a bad spot on the starter. Would just be completely dead.
Whacking it with a tire iron or similar metal rod would get you going.
Replaced the starter after I couldn't find anyone in Wash DC metro area selling parts (brushes, solenoid). Have to drop exhaust to get to it. PITA BIGHANK
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