ECU?? need your help
05-09-06, 02:33 PM
#1
Tire Smoken Tandm Gambler
Thread Starter
ECU?? need your help
ok so this is the deal, my car switchs from half to full power when it wants 
, this is what iv done
NEW***
MAFS
Coils
Plugs
Wires
Fuel filter(40psi of pressure after filter)
and it still does could it be a ECU it i doubt it detinaited becouse it switches, with half power it backfires alot thanks for your time and thought any?'s
Ohh PS 88 se non turbo
, this is what iv done NEW***
MAFS
Coils
Plugs
Wires
Fuel filter(40psi of pressure after filter)
and it still does could it be a ECU it i doubt it detinaited becouse it switches, with half power it backfires alot thanks for your time and thought any?'s
Ohh PS 88 se non turbo
Last edited by V8slayer; 05-09-06 at 02:36 PM.
05-09-06, 02:56 PM
#2
it *might* be going into limp mode....
But it could be many things, a little more info would be great, such as, is it revving up fine when its at "half" power, its just a little slow....does it buck or run rough when its "half power".......just exand on the problem a bit more.
But it could be many things, a little more info would be great, such as, is it revving up fine when its at "half" power, its just a little slow....does it buck or run rough when its "half power".......just exand on the problem a bit more.
05-09-06, 02:57 PM
#3
Seduced by the DARK SIDE
Join Date: Apr 2001
Location: Orange Park FL (near Jax)
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Start by blinking the error codes.
Check & re-secure the grounds, especially the cheezy clip on the firewall.
Clip an ohmmeter on the TPS & check for a smooth sweep in values as you work the plunger.
Check & re-secure the grounds, especially the cheezy clip on the firewall.
Clip an ohmmeter on the TPS & check for a smooth sweep in values as you work the plunger.
05-09-06, 04:35 PM
#4
Tire Smoken Tandm Gambler
Thread Starter
no it buck from full to half then it stay a constint half nice and smooth but half power and sucks alot cus the rpms take days to go up
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05-10-06, 10:38 AM
#9
Tire Smoken Tandm Gambler
Thread Starter
well my freind ahd one of those ground kits so i put it on and it didnt help, and no bogging just a solid all rpms. i cant figure it out!!! does it sound like a ecu.??? im sorry if you dont understand just ask some ?'s ill answer you
05-10-06, 10:47 AM
#11
Tire Smoken Tandm Gambler
Thread Starter
when the idal if you let off the gas and try to let it idal it dies out if you dont keep the rpms up and it wont start unless you spray starting fluid/ gas in the intake.
05-11-06, 11:52 AM
#15
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Join Date: May 2004
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I'm having the same problem and I know what's causing it: my ECU is not telling one of the primary injectors to fire. I gave the damn shop $750 to install a new injector before they figured that out, so when they told me they wanted to replace the ECU for another $950, I told them I'd just do it myself. (I also returned their p.o.s. Grand Marquis loaner smelling pretty bad... apparently beer explodes in a car trunk on a hot day ;-).
My engine's not throwing any error codes. You should check yours. After that, check the pins on the ECU that go to the primary injectors (pinout is in FSM).
Also, don't drive the car around too much like that. I limped the car home from the shop, and although the temperature gauge was doing just fine, there was smoke coming from under the hood when I got home. Hope I don't replace the ECU and then figure out I blew a seal or something...
My engine's not throwing any error codes. You should check yours. After that, check the pins on the ECU that go to the primary injectors (pinout is in FSM).
Also, don't drive the car around too much like that. I limped the car home from the shop, and although the temperature gauge was doing just fine, there was smoke coming from under the hood when I got home. Hope I don't replace the ECU and then figure out I blew a seal or something...
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