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Re: My tps dosnt have a blue and black
The tach lead is in the main harness . i'm not sure if you have the engine im thinking of LS6? ok as far as the tps you could have several that have the required voltage but i would start with the blue.
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Suspect throttle positioning sensor (TPS)...can be tested...need a meter set to read 5 volts DC...Tps is located on throttle body...it has a three wire connector with wire colors: Brown/Orange...Dark Blue/Dark Green...And Pink/Yellow...Engine off...Push points of safety pins deep into into rear of in place connector PLUS METER LEAD on Brown/Orange wire and NEGATIVE METER LEAD into DarkBlue/DarkGreen...Set meter to read 5 volts...Start engine...At idle (Yes, I know it is running rough) then read meter...RECORD READING...Next rev engine to full throttle...RECORD READING...First reading must be .08 volts...Second must be 4.5 volts...If second reading is less than 3 volts...example 2.4volts TPS is culprit...Replace TPS...all readings OK? Let me know...saailer
Lets not change any more parts in the hope problem will be solved...Lets trouble shoot...Most probable cause is the Throttle Positioning Sensor (TPS)...It is located on the throttle body...Has three wire connector: Wire colors are Orange, Orange/Dark Blue, and Black/Light Blue...If you have a wee bit of experience with a volt meter here is test procedure...Leave TPS connector in place...Take two safety pins ...Push one into rear of connector into Orange/Dark Blue and other into Black/Light Blue...Set meter to read 5 volts...Clip + meter lead to Orange/ Dark Blue pin and - meter lead to Black/Light Blue...Start engine...Meter must read .08 volts at idle...Attempt to increase throttle as high as it will go...Meter must read at least 4 volts...If not TPS is the fault...Send results...saailer
* See picture of TPS
Good morning! for the most part O2 sensors are contaminated due to an incorrect fuel/air mixture...They are an effect rather than a cause...symptoms of jerking up hill and not very fast would indicate a defective Throttle Positioning Sensor (TPS) or Manifold Absolute Pressure (MAP) sensor...Here is least expensive fix...Buy a can of DeOxit from radio shack...Remove and spray O2 sensors...This is a NO-Touch cleaner...Reinstall...Using a voltmeter set to read 5 volts...TPS is bolted to the throttle body and has following colored wires...Black, Gray and Dark Blue...with connector in place push two safety pins into the rear of connector on Dark Blue plus lead and Black negative lead...Start engine...At idle meter must read .08 volts...Bump idle to full... Meter must read 4.2 volts...If reading never gets higher than 2 volts...TPS is the problem...see image
DTC P0123 - Throttle Position Sensor/Switch A Circuit High Input This code means that the the car's computer has detected that the TPS (throttle position sensor) is reporting too high a voltage. Were codes deleted after this job? This is a code for TPS voltage high.
The sensor voltage should never
be greater than 5volts. It normally reads .5 to .8 volts at idle (closed
throttle). The orange and dark blue is the signal wire, black and
light blue is the sensor ground, and the violet and white is the 5volt
supply wire. You will need to back probe the signal wire to find the
value. It is possible the signal or ground wires are open. Or the PCM is
Hope this helps (remember to rating this free answer).
Hello! There are a couple of possible solutions...A current surge may have damaged one of the sensors...A multimeter is needed to perform a few test procedures...If you have a meter and a wee bit of experience using it we can test the suspected sensors...The Throttle Positioning Sensor (TPS) is bolted to the Throttle Body...It has a 3 wire connector...Wire colors are...Black...Gray...And Dark Blue...Using 2 safety pins, push the point into the rear of the in-place connector into the Dark Blue wire and into the Black wire...Set the meter to read 5 volts...Connect the +meter probe to the Dark Blue and the - probe to the Black...Start the engine...If you can get the engine to idle for a brief period the meter must read less then 1 volt (.85)...Slowly increase the throttle...The voltage must rise smoothly to 4 volts at full throttle (or as close as you can get)...Point is that the voltage must rise without jumping, jerking or acting erratically...Send a comment with results...If all is well with the TPS we'll move to the next suspect...Picture of TPS is below...Cost is around $50...Guru...saailer
Hello! lets check the Manifold Absolute Pressure (MAP) and the Throttle Positioning Sensor (TPS) in that order...if you have a multimeter and a wee bit of experience using one both of these sensors can be tested...If not replace the MAP first and the TPS second...
The MAP has a three wire connector with wire colors Orange/White...Blue/Light Green...And Black./White...using two safety pins push one into the rear of the in-place connector into the Blue/Light Green...The other into the Black/White...connect the + probe of the meter set to read 5 volts on to the Blue/Light Green pin...the - probe to the Black/White pin...turn key to on...Meter must read at least 3 volts...If not MAP is defective...
Using the same technique lets test the TPS...Three wire connector Green/Light Green...Orange/White and Black/White...Safety pins into Green/Light Green and Blue/White...Set meter to read 5 volts...Place + probe of meter on Green/Light Green pin...And - probe on Black/White...start the engine...at idle meter must read less than 1 volt (.85)...slowly increase the idle (as best you can)...Meter should rise smoothly to 4 volts...If it skips, jumps or acts erratic the TPS is defective...See pictures below...Guru...saailer
Hello! The likely culprit is the Throttle Positioning Sensor (TPS)...A Black button device with a 5 pin connector which is held in place by 2 bolts...It is located on the throttle body...Wire colors are; Red, Black, Brown and Blue...Cost is around $130...
If you have a voltmeter it can be tested...Straighten out 2 paper clips and push them into the rear of the connector on the Red and Black wires...Set the meter to read 5 volts...Hook the + lead to Red and - to Black...With engine at idle meter should read less than 1 volt (approx .85V)...Slowly increase throttle...voltage should rise SMOOTHLY to 4 volts...If voltage skips, jumps, or acts erratic the TPS is defective...
Hello! The Throttle Positioning Sensor (TPS) is the likely culprit...it is mounted on the throttle body..A round black plastic device with two mounting holes on either side... cost is around $45 It has a three wire connector. The wire colors are; Gray, Black, and Dark Blue. It can be tested, if you have some experience with a voltmeter..straighten out two paper clips...Push one into the rear of the connector on the Black wire...The other on the Dark Blue...Set the meter to read 5 volts...With engine at idle and connector in place you should read less than 1 volt (about .85)...Slowly increase the throttle...Voltage should rise smoothly to 4 volts...If the voltage skips, jumps or acts erratic the TPS is defective...Send a comment with results....