Skip the auto shop - Our mechanics make house calls

Q: Stalling at Idle

asked by on

For the past 2 days my truck has been stalling out when starting up, if i press the gas it stays on in which i have to hurry up and put it into gear to avoid stalling. Once i get driving it stalls when coming to a stop or when at idle at a traffic light. The service engine light has also come on. Also experiencing very weak engine power. Could it be an IAC issue? Cylinder misfire? MAFS Issue? Alternator?

My car has 159000 miles.
My car has an automatic transmission.

A: There can be many reasons for an engine to ...

There can be many reasons for an engine to stall. Since the Check Engine Light is on I would start with scanning the computer for codes and moving forward with a diagnosis from there. You may have a vacuum leak at the PCV hose at the connection on the intake. Have a certified technician diagnose the Check Engine Light and pinpoint the cause of your stalling issue.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: Gear shift locked up

Does the shifter move out of park? If the shifter moves but the car does not come out of park something has broken in your shifter. If you can not move the shifter out of park there is a problem...

Q: I can jump my Navigator and it will idle for ever...until I shut the door. Then a mechanism next to the wiper fluid starts vibrati

Hello, thank you for writing in. The vehicle is likely having issues with the charging circuit, or related electrical system. With that being said, we need to identify the component that is vibrating and see how it is related to...

Q: Electrical problem

You should check the main fuse box, in the engine compartment, for one or more large fuses that may be blown. These will power the smaller fuses in the passenger compartment. Once you find the blown fuse, recheck the inside...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
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...
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.