Skip the auto shop - Our mechanics make house calls

Q: RPM/engine issue.

asked by on

I was at a red light when suddenly the RPMs starting jumping up and down. I started driving and it accelerated but the RMPs kept going crazy, finally the engine shut off. It would not turn back on, but it would turn when trying to start it. That was yesterday, today got it to turn on, and it seemed to ideal just fine, I didn't leave it on long though.

My car has 201271 miles.
My car has an automatic transmission.

The engine’s computer should be scanned first to see if there are codes pointing to the cause of the RPM problems and the no start.

If the codes are tested and no problems are found then try and disconnect the battery and the engine and body module connections. Then add dielectric grease to each of the connector pins and sockets lightly. Once that’s done, reconnect and secure the connections. This will stop the fretting corrosion that these connections may get causing erratic problems.

You may also have to disconnect the dash and other connectors and do the same throughout the entire vehicle.

I suggest having the car looked at by a certified technician, like one from YourMechanic, who has the tools and capability of properly diagnosing your stalling issue. Best of luck.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Why did my wipers stop working?

Hello. If you can hear movement from the motor but your wipers are not moving, then it is possible that the wiper linkage or bushings have broken or become damaged. Your vehicle uses a linkage mechanism with bushings that connects...

Q: Turbo producing white smoke

If it is going out and you get white smoke and you've gone to the intercooler and you see there is oil in it, that means oil seals on the turbo are going out. I would advise fixing it very...

Q: Toyota Venza 2000 idles at high RPMs

Watch my video "how to fix a car that idles poorly." A lot of times, it is that simple. You take the air duct work off that goes into the throttle, get the rubber duct off, get some spray throttle...

Related articles

Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.