Question about Saturn SL1

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Over reving under reving and flooding its self.. throttle Position sensor??? is that it will it also cause the car to spit out alot of smoke??? and if it is the problem wheres it located at becauce i can't seem to find a good diagram

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  • Saturn Master
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That as well as a few other items can cause that. Sounds like you better pay a few dollars & have it scanned for codes properly, or it may cost you more in the long run. Autozone will scan for free I'm told.

Posted on Jan 25, 2009

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What does code p0123 on chrysler town & country mean?


P0123 Code - Throttle Position Sensor/Switch A Circuit High

It means the throttle position sensor is open. ( there is no connection ) when you get a flooded engine you push the throttle all the way down and hold it until the engine starts. this is called clear flood. when you do this there is no gas going in the engine so it can clear it's self out and start. so if you have an open tps there is no gas to start the engine. note before you buy unplug and replug several times in case you just have a bad connection.

Hope this helps.

Jul 11, 2014 | 2002 Chrysler Town & Country

1 Answer

What causes the 2002 nissan se r to backfire


Sounds like an ignition or timing problem.
Is the check engine light on ?
This engine uses a direct ignition system which means each cylinder has a coil on top of the spark plug. It could be as simple as worn out spark plugs.
If you had said the engine backfired and was hard to start, but no flooding, I would also look at low fuel pressure. But too much fuel causes flooding.
A faulty throttle position sensor could cause all of your symptoms, but it should set a trouble code and turn on the check engine light.

Jul 06, 2012 | 2002 Nissan Sentra

2 Answers

What will make the make it flood its self


An engine will flood if there's too much fuel going in because of a stuck choke, a bad spark not igniting the fuel, failed temperature sensors, bad fuel regulator, timing...the list goes on.

The amount of fuel delivered to a properly functioning injected car is determined by sensors mounted throughout the vehicles air intake system. These sensors work together along with the ecu to control the fuel / air mix delivered to the cylinders.

We would need to isolate the components that have impact on the duration of time the injectors stay open. In troubleshooting it is often best to work backwards.

1. Injectors - Are they leaking? 2. Pressure regulator - is the pressure at the fuel rail the right pressure?? (40psi for most fuel injected cars) 3. TPS- throttle position sensor- is this reading accurately...there are several different styles of these 4. Air flow meter - these also come in several varieties varys from mass air sensor / simple vane meters. 5. during startup there is a seperate circuit called the throttle bypass valve - this also may not be functioning if the flooding is occuring rapidly during startup. If the car starts and runs for a while than floods. this is probably not the culprit. 6. ultimately the ECU could have a problem as it is the link in the chain that ties everything together....though not likely. Any of these these would have the potential to flood a vehicle if they were not functioning properly. The amount of fuel delivered to a properly functioning injected car is determined by sensors mounted throughout the vehicles air intake system. These sensors work together along with the ecu to control the fuel / air mix delivered to the cylinders. We would need to isolate the components that have impact on the duration of time the injectors stay open. In troubleshooting it is often best to work backwards. 1. Injectors - Are they leaking 2. Pressure regulator - is the pressure at the fuel rail the right pressure?? (40psi for most fuel injected cars) 3. TPS- throttle position sensor- is this reading accurately...there are several different styles of these 4. Air flow meter - these also come in several varieties varys from mass air sensor / simple vane meters. 5. during startup there is a seperate circuit called the throttle bypass valve - this also may not be functioning if the flooding is occuring rapidly during startup. If the car starts and runs for a while than floods. this is probably not the culprit. 6. ultimately the ECU could have a problem as it is the link in the chain that ties everything together, but it's not likely.
This is just a list of things that could cause your car to flood!

Feb 24, 2011 | Mazda RX-7 Cars & Trucks

2 Answers

It was running good and it just started spit and sputtering acting like it wants to go dead and gray smoke


Might have to get your car cchecked for a proper timing and tuning full point check up.
make sure that the sparks are good with intensity, and the fuel is clean ith good balanced pressure.
The spit and spluttering is false firing or insuffficient fuel and so both of these must be checked.

Sep 24, 2010 | 1995 Chevrolet Blazer

2 Answers

Subaru impreza rs 2.5 insanely high idle


o2 would not cause this neither would the fuel filter, a clogged fuel filter would cause much the opposite. try reving the engine by the throttle body and pay attention to the throttle body, alot of throttle bodys start to wear and actually lock up slightly open, this would cause the throttle position sensor to read as if you were accelerating even though the pedal is at its rest position. seen this alot on nissan altimas 200-2005, cheers

Aug 26, 2009 | 2000 Subaru Legacy

1 Answer

Self reving


Clean your IAC, throttle body, MAF sensor, intake and manifold. Check throttle cables, loosen or tighten as needed. Check for vacuum leaks, they will cause a rev sometimes.

Jul 08, 2009 | 1995 Mitsubishi Eclipse

1 Answer

Throttle Position sensor


the coolant temp sensor is bad if you had a scanner it would tell you that is about 40 below this will give a very rich condition. the sensor is about 10 dollars and located on back of head over the transmission.very common problem.

Jan 25, 2009 | 1993 Saturn SL1

1 Answer

Vehicle runs rough and seems to be flooded


Assuming it has a 3.1 V-6, it could be any # of failures. Bad plug wires, ignition coils, control module (under coil packs), crankshaft position sensor, map sensor, throttle position sensor, egr valve, fuel pressure regulator, fuel injectors, engine coolant temperature sensor, vacuum leaks; have it scanned for trouble codes to help in diagnosing! If you think it is just over fueling (flooding),look at fuel pressure regulator or coolant temp sensor ( when they fail the computer thinks its always -40 F causing it to over fuel). A bad map sensor can cause the same. Hope this helps. Thanks in advance for rating me!

Jan 22, 2009 | 1993 Oldsmobile Cutlass Supreme

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