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Old 01-16-2020, 08:19 PM
ram crazy ram crazy is offline
 
Join Date: Sep 2007
Posts: 3,871
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Quote:
Originally Posted by C2C3PO View Post
I have the same year and model and maintain it impeccably.
This year suddenly it would crank but not start.
Went through all the things you mentioned.
I called a shop and spoke to the senior mechanic who told me to change the spark plug.
I told him the plug was fine.
He told me to change the plug anyway.
I told him I took it out, was clean as could be, good gap and when grounded it sparked just fine.
He told me to change the plug anyway.
I ignored him and chased down every other thing like the fuel pump, switch, etc. Nothing worked.
Then I changed the damn plug and it started right up.
Apparently ( and I did not know this) a plug can/will behave differently under compression and this is not uncommon even though it appears fine.
Give it a try, worse case you have a spare plug for when you need it...
9 times out of 10 the plug fixes the problem!
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