My TB is stalling while driving...had ****** rebuilt and while driving I have to put it on neutral then drive or it will lose power...mech could not diagnose prob says it needs new computer?? Can the computer be repaired or does it have to be replaced and how much does it cost.
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There are numerous things that will cause this problem. If the check engine light is on, have the codes checked to see if there is a problem the computer has found to cause this issue. Even without the check engine light on, there may be a code stored. You can also do a visual inspection under the hood for any disconnected hoses causing vacuum leaks. These are the best places to begin with diagnostics
my first thought is the intake is dirty. a can of seafoam in your gas tank will clean that. also check the ground wire on the fuel injector rail.you can find it on the back of the engine close to the fire wall. take it loose and clean it and reinstall. last thought is the throttle po,sensor.
all gears ok but drive, full power from engine to tires, 1,2,R
right? but not drive. drives acts as Neutral or weak.
did you do the stall test , in drive.
1000 rpm weak, engine
2000 rpm good
over that much is tranny slip.
tranny issues.
read the fsm. then the on car service, section
The EGR valve is unserviceable which causes a bad or insufficient fuel control for em-missions......Hope this helps you out........EGR valves are not very expensive.
Check your air horn (big rubber boot) to the throttle body. It may have a crack on the underside and when you put it in drive and the engine torques to that side the crack opens and causes it to die.
To what degree do you lose power and in what way? Do you loose over-drive or does it loose power and speed (on the streets, highway, or at any speed). From your discription it does sound like either a fuel flow/pressure issue or a clogged cat.
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