Skip the auto shop - Our mechanics make house calls

Q: My truck turns over but won't start.

asked by on

I just changed the coils and spark plugs. New battery and alternator new fuel pump but my car won't start today it just turns over

My car has 29000 miles.
My car has an automatic transmission.

Start with also checking things like cam position sensor and crank position sensors. These are two components that will cause a no spark problem as they are both partially responsible for monitoring the speed of both the crank and camshafts.

These sensors relay this information to the car’s ECU which then directs the ignition timing and fuel timing based upon this info. This may also be an issue of fuel supply which may be caused by low fuel pressure, dirty fuel injectors, a failing mass air flow sensor or many other issues. A local expert, like one from YourMechanic, can come to your location to diagnose the no start and assist with proper 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: How do I check brake fluid?

The brake fluid in your vehicle ensure safe stopping. Without brake fluid, the brakes will not function properly. To check the brake fluid. Locate the brake fluid container under the hood. Find where the fluid falls between Min and...

Q: Right wind windshield wiper does not move while left one does.

The right windshield wiper arm is connected to the left wiper arm and transmission for the wiper motor. The most likely cause of the wiper arm not moving is the arm linkage came disconnected and will need to be reconnected...

Q: accidentally hooked up jumper cables backwards. No there is no spark on plugs and the fuel pump is running with the engine off.

Hello - the engine management computer controls the fuel pump (through a relay). The lack of spark may be related to a failed crankshaft position sensor, or possibly one or more of the coil packs. Failure of these will yield...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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...