Skip the auto shop - Our mechanics make house calls

Q: Won't start say running

asked by on

My van would start and run sometimes and other times it would run then stall at red lights and stop signs. Now it has gotten to the point where it won’t run at all. I have checked everything I could think of except for the computer. I put in a new map sensor, throttle body sensor, pick up coil, distributor fuel injectors, spark plugs and wires, cap and rotor and the ASD relay 2 times. I haven’t changed the fuel pump yet and got the code 42. I wonder if I should buy a new computer. But my van still won’t start and stay running. Do you know what’s going on and how I can fix this?

Code 42 is indicative of an auto shutdown relay problem. This can be caused by a wiring issue to the fuel pump - most likely a short or broken wire. Sounds like it’s time for an electrical diagnosis. A professional mechanic, like one Your Mechanic, can diagnose the stalling issue and make the correct repairs.

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: Engine stalled, made clicking noise, made smoke

Hi there, thanks for writing in about your 2011 Mercedes E550. This sounds like potentially a bad crankshaft sensor. I would recommend having the car scanned to see which trouble codes show up.  More than likely, there will be more than...

Q: No power to fuel pump

Sounds like you might have an electrical issue. If all 4 wires on the relay had power, there is something wrong with the wiring. The relay wires should have ground on two wires, power on one wire and switched power...

Q: R12 looks cloudy

When you say that the R12 is cloudy, I assume that you are looking at the sight class on the receiver drier. When oil is going through the drier, it may look like a cloudy liquid. If you cannot see...

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...
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.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.