Skip the auto shop - Our mechanics make house calls

Q: Car not idling properly

asked by on

My Honda Accord 03 doesn't idle properly. Used to get into Limp Mode until I found out about the oil pressure sensor that was broken. Got that fixed and now trying to accelerate, you feel a drag, sometimes, it looses power and goes off. I have serviced and changed the oil filter, I still have my check light on and also maintenance required permanently on. Before now the Check light goes off if the battery terminal is taken off for few seconds. Now if the same thing is done, immediately the ignition comes on, the check light is back on. Please, what is wrong.

My car has 111240 miles.
My car has an automatic transmission.

A: Hi, thanks for writing in. I'd be happy...

Hi, thanks for writing in. I'd be happy to help. This is a common symptom on many cars when what is called a mass airflow sensor is not working properly. This is a unit that monitors air flow intake as it is mixed with fuel prior to being injected into the motor. When this is not working properly, this will cause an imbalanced air/fuel charge to be injected into the motor which causes the intermittent drag feeling or stalling.

This may also be related to what is called an idle air control module/valve which is a unit that works similar in that it regulates the air flow intake at lower idle speeds. The same symptoms will occur at idle or lower speeds when this is not working correctly.

If you would like help, consider having an expert automotive technician from YourMechanic come to your home or office to inspect and diagnose this issue for you, and make or suggest any repairs as needed.

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・Save up to 30%

Get a quote

What others are asking

Q: Losing coolant air conditioner and heat not turning on at all

Hey there, thanks for writing in about your 2003 Chrysler Sebring. The problem is that you are low on coolant and the A/C needs to be diagnosed to see why it is not working. If you have a coolant leak,...

Q: Car wont start now

The distributor assembly on these engines are known to go bad and cause no spark or loss of spark intermittently. The distributor will leak oil into itself and short the sensors and coil. You can either replace the entire distributor...

Q: My car won't idle - 2002 GMC Savana 2500

If the engine is backfiring, there is something wrong with the ignition timing. You may have to go back and make sure the mechanical timing is correct at the timing chain and then do the ignition timing over again; it's...

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...
How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
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.