Question about 1988 Toyota Pickup

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I have a 88 4x4 V6 toyota it misses unless you stomp it.How do I fix it?I replaced plugs,wtres,cap and rotor

Found bad wire on injector so i replaced all the injector wiring,checked egr.How do I check the sensers

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Hello! Sounds like a defective Throttle Positioning Sensor (TPS)...Bolted to the throttle body with a four wire connector...(one lead for the air flow meter)...We are interested in three of those wires...Wire colors are: Brown/Black=ground...Green/White=output...Green/Black=5 volts...
Using two safety pins push the points into the rear of the in-place connector into the Brown/Black and Green/White wires...Clip the (+) probe of the meter set to read 5 volts to the Green/White pin and the (-) probe to the Brown/Black pin...Start the engine...At idle meter must read less than 1 volt (.85)...As you increase the throttle the voltage must rise smoothly to 4.5 volts at full throttle...If it does not the TPS needs to be replaced...See photo below...Guru...saailer

AIRTEX / WELLS Part # 5S5337...Cost= $90

I have a 88 4x4 V6 toyota it misses unless you sto - 2_11_2012_8_58_15_pm.jpg

Posted on Feb 11, 2012

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Your fuel injectors may be clogged, Try some fuel injector cleaner.

Posted on Feb 11, 2012


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