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Won't start help please..

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Old 02-13-2013, 05:00 PM
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Default Won't start help please..

I have an 02 4.0 Laredo I've changed the CPA timing chain and cam sensor but its still not starting I've done tdc 3 times and it keeps firing through the throttle body do I need to reprogram the CPU? Or what please help..
Old 02-13-2013, 07:02 PM
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Flames from the throttle body mean either the ignition timing is off or the firing order is screwed up.
Old 02-13-2013, 09:19 PM
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So I've turned it 180 degrees I've turned it every which way on the cam sensor but still nothing I've put it top dead center and same thing happens.
Old 02-14-2013, 02:48 AM
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Top dead center compression stroke ?
Old 02-14-2013, 03:23 AM
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When u did the chain u double check your timing cause if thats even a tooth off youll never get it right
Old 02-14-2013, 06:02 AM
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Yes I used a ruler and even a second opinion but its doing the same thing..
Old 02-16-2013, 08:00 PM
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Could the map sensor cause this?
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