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Old 07-15-2008, 12:49 PM
 
40 posts, read 137,607 times
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My friend has a car that won't start. Below is the symptoms when the key is turn:
1. Clicking sound
2. rpm needle spring up and down

the gas gauge does show that it has about 1/4 tank of gas in it.
Could it be spark plug? or is it the starter?

Thanks for any inputs!!
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Old 07-15-2008, 12:57 PM
 
Location: Somewhere East of Laramie
47,572 posts, read 33,582,178 times
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Quote:
Originally Posted by aaa12345 View Post
My friend has a car that won't start. Below is the symptoms when the key is turn:
1. Clicking sound
2. rpm needle spring up and down

the gas gauge does show that it has about 1/4 tank of gas in it.
Could it be spark plug? or is it the starter?

Thanks for any inputs!!


I'd put a voltmeter across the battery first thing.
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Old 07-15-2008, 01:03 PM
 
40 posts, read 137,607 times
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I've forgot to mention that we've already tried jumping it and same thing happen
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Old 07-15-2008, 01:05 PM
 
Location: Somewhere East of Laramie
47,572 posts, read 33,582,178 times
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Quote:
Originally Posted by aaa12345 View Post
I've forgot to mention that we've already tried jumping it and same thing happen


In that case, check the cable's first, but the starter/starter solenoid seems like a likely culprit.
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Old 07-15-2008, 01:08 PM
 
Location: Eastern Washington
12,105 posts, read 39,474,898 times
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I have seen batteries fail internally so you can't jump-start the car, you have to put a different battery in before it will start. You don't have to buy a new battery to test this, just "borrow" another 12V battery from another car.
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Old 07-15-2008, 01:23 PM
 
40 posts, read 137,607 times
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Quote:
Originally Posted by burdell View Post
In that case, check the cable's first, but the starter/starter solenoid seems like a likely culprit.
That's what I thought at first, but it's clicking rapidly and the rpm needle is jumping so I was wondering if it's something else...like M3 said, another possibility might be dead battery as well, not sure...
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Old 07-15-2008, 01:30 PM
 
Location: Somewhere East of Laramie
47,572 posts, read 33,582,178 times
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Quote:
Originally Posted by aaa12345 View Post
That's what I thought at first, but it's clicking rapidly and the rpm needle is jumping so I was wondering if it's something else...like M3 said, another possibility might be dead battery as well, not sure...


Swapping out the battery makes sense, always try to eliminate the easy problems first.
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Old 07-15-2008, 03:00 PM
 
Location: Eastern Washington
12,105 posts, read 39,474,898 times
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What kind of car are you working on?

When you say clicking, the starter is not turning the engine, just a click like a solenoid makes?

The tach jumping makes me think maybe your main relay is chattering, never seen that in real life but makes me think the ignition is being turned on and off repeatedly.
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Old 07-15-2008, 03:43 PM
 
40 posts, read 137,607 times
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Quote:
Originally Posted by M3 Mitch View Post
What kind of car are you working on?

When you say clicking, the starter is not turning the engine, just a click like a solenoid makes?

The tach jumping makes me think maybe your main relay is chattering, never seen that in real life but makes me think the ignition is being turned on and off repeatedly.
It's a 2002 corolla...i haven't really looked at it yet, that's just what my friend told me, so I don't know exactly what's going on but I thought the tach jumping was odd so I just post
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Old 07-15-2008, 03:49 PM
 
Location: the D
347 posts, read 1,141,730 times
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Maybe a communication failure between the engine controller (PCM) and the body controller (BCM).
That also explains the RPM needle and gas gauge behavior.
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