NTHER91 Posted September 22, 2008 Report Share Posted September 22, 2008 it cuts out like its hitting a fuel cut, ive replaced both pumps and filter and fuel regulator. Dont have pressure gauge to see if maybe lines are blocked but i was hoping rob ,rolla or dave would lend an opinion. It will go till about 2k rpm and then cut out then start going again, ( i cant go any faster than 65mph in 5th) i can only give it about 1/3 to 1/4 pedal or it will just die (not completely but like im off the gas) maybe its ignition related but i dont know anymore im sick of throwing parts at it..... Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted September 22, 2008 Report Share Posted September 22, 2008 THEN YOU NEED TO START TESTING INSTEAD OF THROWING PARTS! IMO cats clogged? Quote Link to comment Share on other sites More sharing options...
gillbot Posted September 22, 2008 Report Share Posted September 22, 2008 Hard wire the fuel pump to the ignition switch to see if the problem goes away. There's a relay somewhere that always gives fits and hardwiring the pump is the easiest test to see if it's that relay. Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted September 23, 2008 Report Share Posted September 23, 2008 ohm the tps check for a clogged cat get the ign module tested check the cap and make sure its not carbon tracked post back if one of those things doesn't take care of it Quote Link to comment Share on other sites More sharing options...
NTHER91 Posted September 23, 2008 Author Report Share Posted September 23, 2008 could be cat i guess but how to check without cutting off? its not the mod or cap sometimes it will rev freely but under a load it will stutter Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted September 23, 2008 Report Share Posted September 23, 2008 one way to check it is unbolt it from the manifold. the other is the way i do it, pull out the o2 and screw in a backpressure tester! Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted September 23, 2008 Report Share Posted September 23, 2008 one way to check it is unbolt it from the manifold. the other is the way i do it, pull out the o2 and screw in a backpressure tester! or even yet pull the o2 (s) out and drive it..if its better then you know it plugged up! Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted September 24, 2008 Report Share Posted September 24, 2008 +1 Quote Link to comment Share on other sites More sharing options...
Guest 614Streets Posted September 24, 2008 Report Share Posted September 24, 2008 could be cat i guess but how to check without cutting off? its not the mod or cap sometimes it will rev freely but under a load it will stutter Clogged cats usually tend to glow red. Otherwise same things gearhead mentioned. Quote Link to comment Share on other sites More sharing options...
Browning Posted September 27, 2008 Report Share Posted September 27, 2008 Would the IAC affect driving as well? They're notorious for causing problems on those. Quote Link to comment Share on other sites More sharing options...
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