Skip the auto shop - Our mechanics make house calls

Q: Body throttle wont accelerate when pedal is pressed, car starts at very low idle

asked by on

Won't accelerate when pedal is pressed. Even moving by hand the body throttle. Changed new tps. Engine starts at very low idle and dies.
My car has a manual transmission.

A: It is possible that the idle speed is out o...

It is possible that the idle speed is out of adjustment. Many vehicles from the 1980s have adjustable idle speeds to improve power or fuel economy. I would recommend having the idle speed adjusted to the factory specifications by a qualified professional who is proficient in fuel system tuning of older vehicles. Typically, all that is required for adjustment is turning a screw but it is a delicate process and can be easily overdone or not turned enough.

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: I was driving down the road and lost power. Stepped on the gas and the car wouldn't accelerate, but didn't rev up either. Got back home on idle.

Sounds as if the throttle pedal position sensor is not responding when stepping on the gas pedal. Try turning on the ignition key to the 'ON' position with the engine off and step on the gas pedal to the floor....

Q: Transmission slips during acceleration

Hey there. If you have manual transmission, this is almost certainly the clutch slipping. It is wearing out and used gently, it will propel the car forward, but it cannot hold the torque when you accelerate harder. The clutch will...

Q: Why is my car failing CO levels at idle? It passes everything else with ease.

Hi and thanks for contacting YourMechanic. You may have to replace the distributor cap and rotor for a good, strong spark. Then, get some sea foam and put it in the vacuum system of the engine. This will clean the...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
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...