where is throttle sensor located ?

davidmelendy
0

Asked by Mar 16, 2014 at 01:30 AM about the 1985 Chevrolet Corvette

Question type: Maintenance & Repair

looking for the reason the engine surges and dies when stopped at light or in traffic. Runs
great on the hwy. Will run if put in neutral after coming to stop. Light pedal will keep rpm's
steady, otherwise rpm will fluctuate from450 to 800 at random. Could it be the throttle
control module and how and where is it on the 1985 corvette motor. Thanks.

5 Answers

James Ramond
17,705

it has to be connected to the throttle shaft to turn thru its 3 point phases a simple pontimeter varying low voltage to pcm, yeah they can short out, rarely though

thedoctor
990

Not sure what all that jimmy7 crap ment. You should have .5 Volts to the PCM at idle position and 4.5 V at wide open throttle. do this testing key on engine off, KOEO. your tuned port engine has a throttle body mounted to the front of the intake plenum, at the rear of the big ribbed hose from the air cleaner. the TPS, throttle position sensor is on the throttle body opposite the throttle cable, passenger side

1 out of 1 people think this is helpful.
dandyoun
96,745

TPI

1 out of 1 people think this is helpful.
dandyoun
96,745

Also check and clean your idle air control. It's located directly below the throttle position sensor.

Best Answer
dandyoun
96,745

As the doctor mentioned about tps it should be .5 volts at idle to 4.5 at full throttle. You should show a smooth climb in voltage as you move throttle to full open and a smooth decline as you return it to full closed position. Hook your digital volt meter to "A" and "B" marked terminals to check it for proper function.

Your Answer

Add photo

Related Questions

  • Location of temperature switch that turns cooling fan on. 1 answer

    1986 Chevrolet Corvette

    -

    Maintenance & Repair

  • speed sesor location 3 answers

    1991 Chevrolet Corvette ZR1

    -

    Maintenance & Repair

  • Can't Locate Parts for my 1985 1 answer

    I have a 1985 that's had fuel problems for the last few years. Running too rich, sputtering, difficult starting. We replaced everything on the top end - injectors, mass airflow sensor, fuel pressure r...

    1985 Chevrolet Corvette

    -

    Maintenance & Repair

  • Cooling Fan Problem 2 answers

    Our electric engine cooling fan comes on at cold start up and won't shut off unless I unplug the relay. The wiring gets very hot at the relay plug. Is the relay stuck in fan 'on' position?

    Chevrolet Corvette

    -

    Maintenance & Repair

  • WHERE IS THE THROTTLE STOP SWITCH LOCATED? 2 answers

    I HAVE A 95 LUMINA THAT WHEN COLD JUST KEEPS DYING TOOK IT IN THEY SAY WE CANT FIND ANYTHING WRONG REALLY? SO IS THERE A THROTTLE STOP SWTICH AND WHERE IS IT LOCATED/

    1995 Chevrolet Lumina 4 Dr LS Sedan

    -

    Maintenance & Repair

Corvette

Looking for a Used Corvette in your area?

CarGurus has 18,950 nationwide Corvette listings starting at $2,995.

ZIP:

Search Chevrolet Corvette Questions

Chevrolet Corvette Experts

#1 John Carson
John Carson
Reputation 1,860
#2 carGrrl
carGrrl
Reputation 1,280
#3 Tom Demyan
Tom Demyan
Reputation 1,100
View All

Related Models For Sale

Used Chevrolet Camaro"
570 Great Deals out of 35,530 listings starting at $3,894
Used Ford Mustang"
702 Great Deals out of 42,029 listings starting at $1,500
Used Porsche 911"
147 Great Deals out of 4,701 listings starting at $10,995
Used Dodge Charger"
544 Great Deals out of 31,614 listings starting at $1,500
Used BMW M3"
54 Great Deals out of 1,424 listings starting at $6,999
Used Ford F-150"
2,525 Great Deals out of 194,303 listings starting at $1,600
Used Mercedes-Benz SL-Class"
86 Great Deals out of 3,443 listings starting at $1,566
Used BMW 3 Series"
1,185 Great Deals out of 38,305 listings starting at $1,450

Used Cars For Sale

2017 Chevrolet Corvette For Sale
2,079 listings starting at $50,788
2016 Chevrolet Corvette For Sale
21 Great Deals out of 6,649 listings starting at $46,670
2015 Chevrolet Corvette For Sale
27 Great Deals out of 938 listings starting at $45,992
2014 Chevrolet Corvette For Sale
36 Great Deals out of 1,006 listings starting at $39,495
2013 Chevrolet Corvette For Sale
21 Great Deals out of 440 listings starting at $25,958