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Anonymous Posted on May 15, 2008

Car flooding My car is flooding itself I have reason to believe the TPS is out of whack but I haven't the slightest idea where it is at or how to test and or fix it. I would appreciate any help given.

2 Answers

A

Anonymous

If the fuel pressure regulator is no good it will casue fuel to go into the vaccum hose and into the manifold which will cause flooding, try and unplug the vaccum line from the fuel regulator and start the car if fuel comes out of the regulator will need to replace it.

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  • Posted on May 15, 2008
Anonymous
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Joined: May 14, 2008
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Car won't flood because of the TPS. But it will if the "fuel pressure regulator" is out of range (vacuum line is off?). The TPS is part of the throttle body.

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ever use a cheap scan tool?
did you remove the TPS or fiddle its screws?
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use alldata dot com or mitchells online, its all there.
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do you have spark. at 4 spark plugs.?
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Dumping too much fuel while running

Clearly some fancy diagnosis and testing is needed and checking the fuel pressure will be part of those checks as would testing the injector spray patterns.
If the injectors are producing droplets that are large or are dribbling or leaking the oxygen sensor will see the result as a lean mixture and increase the injector duty cycle making the situation intolerable at idle when the intake air speed is too low to break up large fuel droplets.

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If you can't find it, then that means you haven't tested it. If you haven't tested it, then you can't possibly know for sure that it is what is causing your stalling problem.

The Throttle Position Sensor (TPS) is very UNLIKELY to cause your engine to stall at stops anyway. A more likely candidate would be the Idle Air Control. (IAC) You won't find an IAC for your vehicle at most aftermarket parts suppliers. You will most likely have to buy on from the dealer. (For example, AutoZone does not even list one for your vehicle.)

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