10-31-2023, 04:21 PM
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#1
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2002 Not starting but turns over fine with new battery
Bought a sweet '02 LTD last year. Ran perfectly fine. Battery went dead during winter. Replaced the battery with a $300 Super Start. Lights come on, everything worked, but it just wouldn't start. Noticed my FOB wasn't working. Just replaced the battery in that and works perfectly fine, doors lock and unlock. Same issue. Ran a scanner, only code I got is C1224 (ABS). Swapped the EFI w/ the taillight, same issue. Put them both back, checked the taillights are operating, and yes. A neighbor recommended spraying some brake cleaner into the air box (after removing the air filter of course) to dismiss fuel issues, but I'm not sure that is a good idea. OK I am befuddled... Help please!
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10-31-2023, 04:53 PM
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#2
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Senior Member
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Quote:
Originally Posted by thor999
Bought a sweet '02 LTD last year. Ran perfectly fine. Battery went dead during winter. Replaced the battery with a $300 Super Start. Lights come on, everything worked, but it just wouldn't start. Noticed my FOB wasn't working. Just replaced the battery in that and works perfectly fine, doors lock and unlock. Same issue. Ran a scanner, only code I got is C1224 (ABS). Swapped the EFI w/ the taillight, same issue. Put them both back, checked the taillights are operating, and yes. A neighbor recommended spraying some brake cleaner into the air box (after removing the air filter of course) to dismiss fuel issues, but I'm not sure that is a good idea. OK I am befuddled... Help please!
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I would check for spark first
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11-01-2023, 02:32 PM
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#3
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Quote:
Originally Posted by Bad Luck
I would check for spark first
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I only checked one spark plug but I'm going to check them all now.
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11-01-2023, 03:24 PM
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#4
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Quote:
Originally Posted by thor999
I only checked one spark plug but I'm going to check them all now.
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There's a difference between checking for spark and checking your spark plug condition
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11-01-2023, 07:01 PM
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#5
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Quote:
Originally Posted by Bad Luck
There's a difference between checking for spark and checking your spark plug condition
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Pull the plug, put it on a ground then start vehicle, am I wrong?
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10-31-2023, 09:30 PM
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#6
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Quote:
Originally Posted by thor999
Lights come on, everything worked, but it just wouldn't start.
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I would start simple and really tighten down the connections to the battery posts. You can have the negative terminal connected, but not just quite tight enough, and have this problem.
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11-01-2023, 02:33 PM
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#7
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Quote:
Originally Posted by bootown
I would start simple and really tighten down the connections to the battery posts. You can have the negative terminal connected, but not just quite tight enough, and have this problem.
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Cleaned out the connectors, checked the grounds and cleaned them up too even though they looked good. I guess I could have mentioned that...
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11-01-2023, 08:24 PM
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#8
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Depending on the condition of your engine dumping the adaptive parameters when the battery died may cause a hard start since it needs to relearn its idle parameters.
If you have spark try shooting starter fluid in the intake/throttle body.
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11-01-2023, 08:31 PM
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#9
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Quote:
Originally Posted by 19963.4lsr5
Depending on the condition of your engine dumping the adaptive parameters when the battery died may cause a hard start since it needs to relearn its idle parameters.
If you have spark try shooting starter fluid in the intake/throttle body.
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Okay so this is an acceptable practice on our beloved 3rd Gens. I'll do that first thing tomorrow! (cold and dark here now lol)
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11-01-2023, 08:46 PM
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#10
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Are you saying , it cranks but does not start?
Maybe the Immobilizer is acting up.
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11-01-2023, 10:15 PM
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#11
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Quote:
Originally Posted by Tdwesty
Are you saying , it cranks but does not start?
Maybe the Immobilizer is acting up.
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That is correct, and that is exactly what all my research points to. It started just fine when I used just the key (I got two keys, and one is attached via keyring to the FOB), but when I used the key that was attached to the dead FOB well that is when my problem started. That is also when I noticed the red "security light" on the dash start flashing. I replaced the battery and the FOB does work as far as locking and unlocking, but I noticed the security light still flashes after unlocking.
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Last edited by thor999; 11-01-2023 at 10:21 PM.
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11-02-2023, 02:00 AM
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#12
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Maybe do a hard reset. Disconnect the positive and negative battery cables and touch them together for a few minutes. Then reconnect battery.
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11-02-2023, 10:34 AM
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#13
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Quote:
Originally Posted by thor999
Okay so this is an acceptable practice on our beloved 3rd Gens. I'll do that first thing tomorrow! (cold and dark here now lol)
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Correct, but be careful you don't ignite any gas fumes coming from the now open cylinder. It's best to use an extra plug to check for spark.
Quote:
Originally Posted by thor999
That is correct, and that is exactly what all my research points to. It started just fine when I used just the key (I got two keys, and one is attached via keyring to the FOB), but when I used the key that was attached to the dead FOB well that is when my problem started. That is also when I noticed the red "security light" on the dash start flashing. I replaced the battery and the FOB does work as far as locking and unlocking, but I noticed the security light still flashes after unlocking.
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The immobilizer chip is in the key itself and not the key fob. The immobilizer chip doesn't have a battery for it either.
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04-27-2024, 01:10 PM
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#14
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Did you check for spark?
Have you pulled the plugs to look at their condition? AKA dry or fuel soaked……..
If you sprayed starter fluid and it didn’t run then either you have no spark or the plugs are fouled.
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04-27-2024, 02:41 PM
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#15
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When spraying the starter fluid, it almost sounded like it was "trying". Very briefly, but it did that a few times. I'm just gonna give it a full tune-up at this point I think?
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