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Tps adjustment - Cars & Trucks

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Most TPS sensors are three wires volt reference, signal return, sensor ground. Place a DVOM meter on 2 volt scale probe signal return wire with throttle resting closed most are around 1 volt check a repair manual for proper idle reading.

Posted on Nov 17, 2013


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1994 Cadillac Fleetwood Brougham "Traction Control" dash light. OBD1 code 4:64, define as TPS malfunction, but the TPS is working perfectly. Where do we go from here.

Did you watch the TPS numbers on a scan tool in your car?
TPS code means TPS bad or wiring or TPS adjustment.
Change the TPS as they cost nothing and do wear out.

Aug 27, 2017 | Cadillac Cars & Trucks

1 Answer

Why My 89 pu toyota run better w/o the tps sensor

I believe that the TSP on your Toyota is adjustable. Follow the manufacturer recommendations to adjust the position of your TPS, and MAKE SURE YOU PUT THE RIGHT TPS ON THE VEHICLE.

Jul 18, 2014 | 1989 Toyota Pickup SR5

2 Answers

Tps adjustment

Check it on YouTube, there should be one or two show you how to do it yourself.

Dec 28, 2013 | 1994 Toyota Pickup

1 Answer

The obd1 diagnosis tool told me there was a tps malfunction so i replaced the tps and it starts better but still stals..there is an adjustment slot on each side of the tps where the mounting screws go...

You have to back probe the TPS Sensor with a volt meter

Turn key on

Adjust to 5.0 V --open throttle ---ECM Voltage Output

Should read .2 or more closed

Dec 20, 2012 | Cars & Trucks

1 Answer

How to fix a 05 ford 500 throttle body from staying closed

Hello, You should not be having a problem like this without a "Check Engine" light being on. I will tell you about the adjustments that are possible, but want to tell you about the Free scans at Autozone, Advance and Oreilys.

If there is a bad component in your system, you will need to readjust what I am telling you to change. So you need to know if your system has bad parts or you will need Dealer type equipment to reset it to factory specs once the bad part is replaced.

To change the idle speed(opening the throttle plate) you have a TPS on one side of the Airhorn. The TPS is attached to the butterfly plate shaft on the throttle body. There is a slight adjustment possible if the TPS has a slotted end on one side. This slot allows you to rotate the TPS slightly to change the RPM. There is also a set bumperstop screw (throttle stop) on the opposite side of the TPS. It is hard to move, but will allow slight adjustment of the TPS if there is any adjustment left in the TPS slot.

I have adjusted only a few of these because there is rarely a need. You may gain 75RPM-150 RPM tops. You may have low fuel pressure which should be checked first, if you think the throttle is not opening enough right now. There is also a part called an "Idle control motor" in some manifolds. It affects idle speed.

I have given you a mechanical means to open the throttle. I hope my solution is very helpful to you. Remember to have the free scan and you may find a bolt-on part to substitute for adjusting the throttle.

Aug 19, 2011 | Ford Five Hundred Cars & Trucks

1 Answer

Adjustable throttle position sensor

I'm assuming you have the 3.3l v-6. When I look up the part, it seems to have slotted holes. Therefore, it is designed to be adjusted after installation. If your tps has these slotted bolt holes, adjust it to satisfy the settings in the test procedure below.
  1. Remove air cleaner. Disconnect the TPS harness from the TPS.
  2. Using suitable jumper wires, connect a digital voltmeter J-29125-A or equivalent to the correct TPS terminals A and B.
  3. With the ignition ON and the engine running, The TPS voltage should be 0.3-1.0 volts at base idle to approximately 4.5 volts at wide open throttle.
  4. If the reading on the TPS is out of specification, check the minimum idle speed before replacing the TPS.
  5. If the voltage reading is correct, remove the voltmeter and jumper wires and reconnect the TPS connector to the sensor.
  6. Reinstall the air cleaner.

Jul 29, 2017 | 1991 Oldsmobile Cutlass Ciera

1 Answer

I need to set the RPM a bit higher can it be done manually or is it set electronically.

Check the parts on the airhorn behind all the airfilter ductwork. On one side you will have a TPS switch. It has 2 screws and 1 electric plug. If you take it off for a second you can see if there is a elongnated slot for 1 screw. This will raise the RPM slightly by adjusting the TPS in that elongnated slot.

On the other side of the airhorn there is a stubborn set screw. It butts up to the throttle cable. This will adjust the RPM beyond the range of the TPS base idle. So to answer your inquiry the TPS can be manually adjusted to electrically raise RPM, the stubborn set screw can manually be adjusted to raise RPM.

Nov 04, 2009 | 1998 Mercury Mystique

2 Answers

How to adjust the tps on a 1997 Montero 3.5 LS

very carefully. It is not one of the things you want to mess with unless you have a scanner and the experience to know what adjustment you are making. There are two screws that hold it to the throttle body and the TPS is slotted so that you can turn it on the axes. But in 28 years, the adjustment I have had to do only happened when I replaced one, or when someone else was adjusting it. You do need the scanner to set it at the right place.

Hope this helps.

Oct 01, 2009 | 1997 Mitsubishi Montero

2 Answers

How do i reset the TPS sensor a 1990 nissan 300zx non turbo...?

at idle ,if the tps is adjustable,with slotted screw mount holes,,while at idle move tps(with screws loose )untill idle sounds about right ,then tighten ,with out rpm meter hard to adjust just right ,but not crittical

Jul 03, 2009 | 1989 Nissan 300ZX

1 Answer

Tps sensor

There are 2 screws that hold the TPS on to the side of the throttle body. Before you take the old TPS off, note where the TPS is located regarding the adjustment slots. Remove the 2 screws, and remove the old TPS, install the new one, and try to achieve the SAME adjustment. If you get the adjustment wrong, the engine will idle up & down. If it does, move the new TPS slightly until the idle smooths out.

Oct 10, 2008 | 1995 Toyota Corolla

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