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okay got a 11 with koeoff and got a 94,44,33 for koeon.emission sensors are still plugged in and vacuum lines in tact but smog pump and cats were deleted. should i dump these codes or will it matter. this is on my 89lx auto. i still havent found wire on the 90lx vert 5spd im assuming it will...

check engine light isnt on in either car .

Any advice for my configuraton. both cars had off road h-pipe when i bought them.i removed the pumps,but i figured they werent functioning.

Hey whats up back with codes on my 89lx 5.0 hatchback. koeoff 11... keeon got 94,44,33....cats and smog pump removed but cannister and sensor as well as egr sensor and water lines hooked up. should i dump the codes ?or will it matter? wasnt able to find test wire on my 90. not sure where wire...

sorry it took me so long to get back.my 90 doesnt have the red /white wire to run test. i found another that looks like it but its by the starter relay like a foot away. that looks like test port but has two blck/white wires going in its live. I'm getting my 89 lx out of shop tomorrow . i will...

it just had a solid tone was a actron i believe i borrowed it so i dont have it now. stang runs great no check engine light. if i unplug maf or iac run noticeably worse. so can i assume my ecu works. i get it checked again . i will try your bypass method with test light since i dont think my...

surge and idle issues were solved by a tps.also idle didnt drop when shifting and wanted to cruise at 2,000 rpm that was i.a.c....also replaced accelerator cable . havent had idle issues,or the crusing sticking or any of those problems. when i changed acc cable it helped but then i homed in on...

would like to also add on the surge and idle problems i had were tps. earlier had to replace i.a.c. both solved problem at the time.also a new throttle cable . my list of mods just seemed to make my stang run stronger and faster. but did'nt ever see a check engine light. when i checked the ecu...

Hello, First off I would like to thank you for the complete and accurate info. The surge checklist would have been helpful for me early on in the repairs i made to my 90 lx vert 5.0,5speed. Had off road h-pipe when i bought it . i removed smog pump and rest off emissions sensors and wires and...

I'm pretty sure my computer is giving no code.My bolt ons include 75mmBBK tb and C.A.I. also bbk 76mm mass air calibrated 19lbs.bbk headers off road h-pipe and flowmaster exhaust. march underpulley ,all emissions removed including smog pump,egr delete, I also encountered the surge idle dragons...

Just took my salt and pepper 10 pin extensions out. Had to break all clips then they slide apart.didnt run well without the extensions. Put extensions back in and runs great. If factory recalled and added these this must be the reason.