fuel cuts off at 4K only when hot?

grant007

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May 2, 2005
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262
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shawnee , okla
okay, still fighting the fuel problem. heres the the thing in the mornings at operating temps. FP is fine all the way up to 6500rpm. but after work in the afternoon at operating temp,after 10 min of driving the FP drops to 8 or 9psi after 4000rpm. im fixing to sell the car and i wont to get the most out of it,so i want to fix this.
also one day i had the a/c on but the car ran like crap bogging and falling on its ass and was steadily losing RPM/PSI until i shut the a/c off turned off the engine. It immediatly started back up,ran fine with the still unable to get past 4000rpm/9psi problem.
ive replaced the frps/fpdm fuel filter. i havent replaced the ccrm yet.
 

01yellercobra

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Oct 5, 2005
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21,324
Location
Cali
I'm pretty sure the CCRM wouldn't cause low fuel pressure. It would just cause the fuel pump to not work. It sounds like the only thing left is the fuel pump.
 

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