engine is revving to 300 rpm when turned on, what is the problem?

Asked by Jul 16, 2010 at 06:38 PM about the Jeep Wrangler

Question type: Maintenance & Repair

3 Answers

355

could be your throttle position sensor or a vacuum leak

1 people found this helpful.
30

Vac leak.

30

X2, if your throttle cable was out of alignment it would constantly run high, the vac system does a lot of work at engine start. A (hill billy) way to check for a vac leak is to spray water over the vac lines and watch for bubbles or smoke a cig.

Your Answer

Wrangler

Looking for a Used Wrangler in your area?

CarGurus has 18,613 nationwide Wrangler listings starting at $1,950.

ZIP:

Jeep Wrangler Experts

  • #1
    tennisshoes
    Reputation
    460
  • #2
    Tom Demyan
    Reputation
    440
  • #3
    Mathew Wooldridge
    Reputation
    360
View All

Related Models For Sale

Used Jeep Wrangler Unlimited
374 Great Deals out of 78,846 listings starting at $6,500
Used Jeep Grand Cherokee
774 Great Deals out of 75,667 listings starting at $899
Used Toyota Tacoma
405 Great Deals out of 44,399 listings starting at $1,995
Used Ford F-150
2,283 Great Deals out of 214,996 listings starting at $1,300
Used Jeep Cherokee
296 Great Deals out of 68,062 listings starting at $2,795
Used Ford Mustang
255 Great Deals out of 36,634 listings starting at $2,500
Used Chevrolet Silverado 1500
1,739 Great Deals out of 148,943 listings starting at $828
Used Chevrolet Camaro
241 Great Deals out of 28,685 listings starting at $1,800
Used Toyota 4Runner
253 Great Deals out of 33,133 listings starting at $950
Used Jeep Renegade
214 Great Deals out of 25,637 listings starting at $10,499
Used Dodge Challenger
111 Great Deals out of 25,081 listings starting at $7,995
Used Dodge Charger
249 Great Deals out of 32,798 listings starting at $2,000
Used Jeep Liberty
139 Great Deals out of 6,002 listings starting at $1,500
Used Chevrolet Corvette
97 Great Deals out of 15,309 listings starting at $3,900
Used Jeep Patriot
353 Great Deals out of 13,712 listings starting at $2,400

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.