Skip the auto shop - Our mechanics make house calls

Q: Too little flow on the EGR.

asked by on

I have an EGR system fault, the reading said that the ECM has detected too little flow on the EGR.

A: Have a certified mechanic check the operati...

Have a certified mechanic check the operation of the EGR(exhaust gas recirculation) system. In many cases, the fault can come from an EGR valve that is not working properly or carbon build-up blocking the recirculation passages.

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: My transmission won't go in reverse. Our mechanic said the ECM is bad. Would that cause that?

Hello. No, the ECM by itself should not cause a transmission failure. I suspect the low/reverse band has gone out on your transmission. The newer electronic transmissions have the ability to adjust to wear in the various clutches and bands...

Q: Temperature spiking up after I changed my thermostat trying to get my heater to work.

The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core. As you know, the heater core...

Q: Air bags deployed - is it possible to repair, at what cost? 1999 Chevrolet Malibu

Hi there - yes, it is possible to get replacement air bags, and other damaged supplemental restraint system components for a 17-year old car. This is, however, very sensitive work, and should only be done by a qualified auto body...

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 to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...