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p0200!!!!!!!!!!!!!

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Old 11-08-2012, 08:28 PM
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Default p0200!!!!!!!!!!!!!

two sets of new injectors 60lb and now 80lbs

new used harness

new ground to block

all three grounds are on the back of the head

06 5.3 running my stock pcm
Old 11-09-2012, 07:35 AM
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Data log[s]???
Ran OK, then went to the P0200 code?
Old 11-09-2012, 11:39 AM
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Originally Posted by Old Geezer
Data log[s]???
Ran OK, then went to the P0200 code?
The car ran fine for couple of days the problem came up so I switch the harness out... Problem came back up so I switched the injectors from 60s to 80s. Drove it fine got into some boost. The problem is back again
Old 11-10-2012, 08:28 AM
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Mine was a result of the harness on the drivers side rubbing the metal bracket attached to the engine where the harness rounds the corner to go behind the engine between the firewall.

It would only do it when I got into boost.

I wrapped the harness with some black 'race tape' (duct tape) and have not had a problem since giving the harness that little extra bit of insulation.
Old 11-10-2012, 05:32 PM
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Im really thinking about getting a stand alone harness
Old 11-17-2012, 04:19 PM
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New PCM same problem..... I'm about to throw in the towel and sell the car
Old 11-22-2012, 12:33 AM
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fixed it
Old 02-04-2013, 10:15 AM
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Originally Posted by TX RED
fixed it
Having the same problem... Swapped heads on my 5.3 it idled fine for a minute and started breaking up as I backed it out of the shop. What was your fix?
Old 03-01-2014, 12:49 PM
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Originally Posted by TX RED
fixed it
care to elaborate for others? what fixed it?



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