This is topic NEED HELP!! in forum Tech Talk at Northern California Ford Owners  .


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Posted by FOXWTIT (Member # 7634) on :
 
Alright heres the deal... I got a 93 coupe... my car seems to cut out or studder at about 2200 to about 3000rpm .. juss like a little drop out.. but i got gears and thats the rpm i ride in on the freeway... so its real annoying.. its only under load but it also does it when rpm or dropping down.. doesnt seam to matter where the pedal is at (rules out tps)... so here is the list of what i have done and pretty much ruled out..... i complete tune-up... new distributor... changed mass air.. and injectors... completly diffrent motor..ha.... all new gaskets... new throttle body.. egr spacer... i juss dont know what else to check its got to be a sensor or maybe the ecm... i just need a good direction... any help yall can give me would be awsome.. thanks.
 
Posted by 66backinblack (Member # 5372) on :
 
any codes
 
Posted by JohnB (Member # 969) on :
 
Check the voltage at your TPS. You changed the TB, I doubt it's .95-.99...
 
Posted by FOXWTIT (Member # 7634) on :
 
I HAVNT CHECKED FOR CODES WITH THE NEW MOTOR BUT THE CHECK ENGINE LIGHT ISNT ON
 
Posted by FOXWTIT (Member # 7634) on :
 
Maybe it didnt sputter coming down in rpm... i was probably thinkin a little to hard.. but i checked codes last night and i got an ect sensor out of range and my air thermactor apperantly isnt working... ill check the tps... but i mean its a brand new tb.. but that doesnt mean anything... ill check it and get back
 
Posted by rickm347 (Member # 5323) on :
 
quote:
Originally posted by FOXWTIT:
Maybe it didnt sputter coming down in rpm... i was probably thinkin a little to hard.. but i checked codes last night and i got an ect sensor out of range and my air thermactor apperantly isnt working... ill check the tps... but i mean its a brand new tb.. but that doesnt mean anything... ill check it and get back
do you know what the air thermactor is??
 
Posted by FOXWTIT (Member # 7634) on :
 
THE AIR THERMACTOR IS YOUR AIR INJECTION I BELIEVE... (SMOG PUMP).. BUT.. I TRIED CHANGING THE TPS AND THE PROBLEM IS STILL THERE.. NO CHANGE STILL SPUTTERS AT THE SAME SPOT... IM GONNA TRY UN PLUGGING THE MAP, AND PUTTIN MY IGNITION BOX TO STOCK AND SEE IF ANYTHING CHANGES...
 
Posted by rickm347 (Member # 5323) on :
 
air thermactor is the catalytic system. air thermactor = cats
 
Posted by marc (Member # 4238) on :
 
what mods are done to the car? does it happen when cold/ hot?
 
Posted by FOXWTIT (Member # 7634) on :
 
HOW DOES MY COMPUTER TELL IF THE CATS ARE WORKING IF IT DOESNT HAVE ANY POST O2 SENSORS.... WELL I HAD THE PROBLEM WITH TWO DIFFRENT MOTORS... IT HAS TO BE IN THE WIRING SOMEWHERE.. SENSORS... OR MY IGNITION OR SOMETHING... I DONT THINK ITS MECHANICAL....
 




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