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GMC Forum: P0452 engine code
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Old 11-24-2016, 05:46 PM is offline
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Drives a GMC Truck
Join Date: Nov 2016
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Default P0452 engine code

HI I recently installed a fuel pump in my Jimmy. Shortly after an engine light came on with p0452 code. Not really sure what to look for as the code apparently is a generic evap canister or emissions code and is not specific to the truck? Any one deal with this same issue?
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Old 12-26-2016, 10:05 PM
Jason6937 Jason6937 is offline
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Drives a GMC Truck
Join Date: Dec 2016
Posts: 27

The O-ring for the pump sounds like it isn't seated properly,or there could be pinholes on the top of your tank. It happened to me on my Sonoma. Hopuuefully that helps

Last edited by Jason6937; 12-27-2016 at 05:58 PM.
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Old 06-11-2017, 12:54 PM
shaynehardy shaynehardy is offline
Drives a 1993 gmc jimmy s15 4wd 4.3l cpi
Join Date: Dec 2010
Location: canada
Posts: 62

could also be gascap o ring as well,would help us help you if we had yaer, engine if multi port injection or tbi(air filter round and sits on top of motor)
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