Suddenly, my engine won't throttle down, as if I'm holding the gas pedal down.

Asked by Sep 17, 2015 at 02:47 PM about the 1991 Volvo 240 SE Wagon

Question type: Maintenance & Repair

I was driving and the engine was working fine.  Then, the engine would start
revving, even though I had released the gas pedal and the pedal returned to a
resting position and I had depressed the brakes.

Shifting the gear to neutral resulted in the engine revving high (as you might
expect if you were depressing the gas pedal while in neutral), even though I
had release the gas pedal and it had returned to its normal position.

Everything about the experience felt exactly as if the gas pedal were being
constantly pressed.  My thoughts go to the throttle pulley somehow not
returning to the idle position.

I am hoping to review the parts of the engine's operation to confirm what is
wrong and if possible, use my meager skills to fix it.  Or more realistically, point
a mechanic to the most likely candidates.

6 Answers

19,500

Clean throttle body and clean or replace (ICS) Idle Air Control valve or Mass Air Flow Sensor depending on which one your vehicle has.

2 of 2 people found this helpful.

Thank you, firebird338. I'll give that a shot.

1,515

It sounds to me like the throttle cable is stuck. That happened to my V70, just not as bad.

1 of 1 people found this helpful.

Thanks apbimmer98. I'll give that a look. I hope it's that easy.

325

Did you find a resolution? If so be sure to post for others looking for answers. If no resolution, you might check your throttle position sensor. We had the same thing happen to our shop car (98 V70R)

Basically, I spent a lot more time working on #1, when it was really just #2. :-) The Volvo runs well again, after re-seating the throttle cable. Thank you all for your help. Scott

Your Answer

Add photo

Related Questions

240

Looking for a Used 240 in your area?

CarGurus has 33 nationwide 240 listings and the tools to find you a great deal.

ZIP:

Search Volvo 240 Questions

Volvo 240 Experts

#1 Tom Demyan
Tom Demyan
Reputation 270
#2 ytlas
ytlas
Reputation 70
#3 burner
burner
Reputation 60
View All

Related Models For Sale

Used Volvo 740
3 listings
Used Volvo 940
11 listings
Used BMW 3 Series
1,039 Great Deals out of 31,470 listings starting at $1,000
Used Volvo 760
1 listing
Used Volvo 960
17 listings

Used Cars For Sale

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.