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Only runs wide open - Civic Honda Cars & Trucks

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Throtle gets stuck wide open i did tps worked for a day always pump to start runs ruff then goes bamm gets stuck wide open help me


You should not need to pump the throttle. That does not have any effect on starting the engine on a fuel injected car.
How do you un-stick the throttle ?

Dec 29, 2015 | 1999 Cadillac DeVille

1 Answer

Diagram distributor


Wide open as in wide open throttle?? You mean the engine is racing? Something is wrong with the throttle controls, or the throttle valve in the carburetor may be sticking open. Look down the carb throat. At its base will be the throttle valves-"butterfly" valves just like the choke valve on top of carb. The throttle valve should be closed at rest, or at idle, or when gas pedal is not moved. Rotate the throttle lever on the carburetor by hand (when gas pedal is pressed down, the throttle is rotated). The throttle valve at the bottom of the carb should open and close with the throttle lever.
If the valve is sticking, spray some carburetor cleaner down it, and spray the outside clean, too. Work the throttle back and forth to make sure it is free to move.
For a high idle, have the carburetor adjusted. Timing should be checked, too-that can cause a high idle, but wouldn't cause it to go wide open.
Let us know what you find. Good luck.

Dec 07, 2013 | Ford Ranger Cars & Trucks

1 Answer

My saturn runs wide open when i go to stop


wow wide open throttle thats strange but its one of two things the throttle body linkage is really stiff and would need to be rebuilt or the cable that runs to the pedal is fraying and is getting stuck. it could be other things but with out more information its hard to diagnos

Apr 04, 2013 | 1999 Saturn SL

1 Answer

Truck blowing black smoke and stalling i suspect icv what say u


black smoke = running way to rich (unless it a diesel)

if you tell me year make and model could help u more

if carburetor car carburetor may need adjusted or rebuilt

if it TBI could be leaking pressure regulator leaking injectors injectors stuck wide open

if TPI could be bad o rings on injectors injectors stuck wide open

Dec 22, 2010 | Ford Ranger Cars & Trucks

1 Answer

Had 2 problems occur at same time after some repair. 1st. After repair started up an engine runs wide open with no throttle .Checked an cleaned T>P>S. an throttle body . Checked for vacume...


The only way an engine can run Wide open is if the throttle plate is opened all the way, allowing a large volume of air in to the engine. Check the throttle plate and see if it is hung up or possibly the throttle cable is frayed and holding the throttle open. It is not the injectors, they operate on inputs from the PCM.

Nov 13, 2010 | 1999 Jeep Grand Cherokee

1 Answer

There is a stutter starting to show up at wide open throttle.


Injectors would be a good place to start, you can either run some fuel cleaner through the system from a parts house or have a shop run aggressive bulk cleaner through. Also have you checked your timing belt if it jumped a tooth that could cause a power loss as well, how long since you've checked the timing belt? If none of the above works make sure you run a fuel pressue test not enough pressure will show up big time at wide open throttle, Good Luck!

Oct 13, 2010 | Ford Ranger Cars & Trucks

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