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i had that same problem just open the ecu up and smell for or look for like what joe said

i thought 91 came with forged pistons from factory! 5.0 h.o 93 and up had hyper....

nothing to worry about

i dont know bout the condition of the balancer. the tfi module is almost touching the thermostat housing so i cant advance it anymore then that.ill prolly have to reinstall it thats with the spout out 23 degrees and timing light wire on number 1 it idles about 700 i cant retard it anymore or it...

i had this guy install a distributor now my timing is set at 23 degrees runs fine but wont run at 10 degrees spout out:shrug:it idles kinda low tho..

ok thanks liljoe if ive got 5v then i need a new egr?

what does this mean? evp pfe circuit failed

im putting a valvebody first then going with 410's

idle fluctuates when cold then smoothes out as it warms up when i first start it the engine goes to bout 1200rpm then drops and fluctuates any ideas?

i still got .84v with engine running gonna erase codes to make sure its not memory code.

joe that was a key on engine off test and this is a new tps

i got .84 set on 20v volt meter key on. your right i also have a code 33 egr sorry.

will a code 63 egr cause stalling cold and warm and idle issues

i guess just plug the cooler lines

bad tps or out of adjustment?

where to start ?everything is replaced except distributer code 11 cbt 9 fuel pressure 32 vac on 39 vac off spark plugs white.history bought remanufacterd ecm. 2 were defective , remanufactured mass air meter 19s

if i unhook the mass air meter while it was running would i get a code 66??:rolleyes:

no i havent done the 10 pin yet. im getting code 11 pass, and code 9 cbt pass,and code 94 and 44 emissions delete.i had 1 defective computer took it back got another one now its bucking like a random misfire dont know if its distributer or another bad computer

i did a cylinder balance test and it was #1 injector so i used a noid light in the socket for that injector and it was staying on even with key off....i think ii got another bad computer now cause its bucking at all rpms missing ill be driveing and the rpms just fall off then back up and down...

the computer was bad and letting number one injector stay on all the time