Just won't make power - JeepForum.com
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post #1 of 2 Old 11-16-2019, 01:52 PM Thread Starter
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Join Date: Nov 2019
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Just won't make power

Put a completely new rebuilt engine into my Jeep all sensors are working correctly engine light is not coming on but when step on the gas it just don't want to go new fuel pump did it compression check today everything is absolutely perfect can't figure out why the machine will not go I step on the gas and it falls on its face replace the intake gasket replace the tb gasket Jeep starts up runs fine backfires occasionally back out of the driveway step on the gas and it just does not want to go no catalytic converter can anyone help

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post #2 of 2 Old 11-16-2019, 03:26 PM
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2014 JK Wrangler 
Join Date: Oct 2017
Posts: 8,425
the check engine light should come on @ 3 seconds at every start. Advise yes or no.
what year is jeep and what year engine?
Try accessing codes with your scanner.
Install your catalytic converter.
Check fuel pressure post PSI.

Are you sure CMP was installed correctly - TDC compression?

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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