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cutting out under load and boost!!

B

Blowblackorgetback

New member
car wouldn't start so i replaced the fuel pump and put more fuel in it and it runs good at idle. when i would hammer on it in neutral as soon as boost tried to build it would start cutting out and falling on its face.. so i found a vacuum hose disconnected put it back and now it only cuts out under load when the boost starts to build please help.. changed fuel filter right before the old fuel pump went out
 


Well, if it is only doing it UNDER LOAD, I would suggest checking the CAT. BUT if it is only doing it under BOOST AND LOAD, it might be a different problem.
 
its a 99 gtp and the cat is gone.. could the fuel filter be plugged up again already?? and also are there any fuses or sensors or anything.. I'm so lost on this I'm a diesel guy lol
 


hey I'm not saying i was doing it to be cool i was just seeing if i could get it to cut out before i wasted my time to go drive it.. thanks to you other guys though.. and this all happen in one night keep in mind i parked it running just fine went out the next morning and bam wouldn't start and when i finally got it running after the new pump still running like crap... btw it rained the night all this happen I'm not sure if there was lightening or not if that would even make a difference also the plugs and wires are new
 
Like I said it was doing it in neutral way before limiter and I got it fixed now it just goes to the limiter.. However under load it runs like total crap that's what I'm trying to figure out
 


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