Crank no start

160,000 MILES • 4 CYL • 4WD • AUTOMATIC
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JIBRIL GARBA
  • MEMBER
  • 1 POST
I run my car and park it, the next day morning it didn't start.if i start it the engine will crank but wont start. I've changed the spark plugs still the same thing. I've changed the coil too and fuel pump, it'll sound as if it'll start but it won't. I've even clean the cold start switch, but all the same.
Please what do i do next?
Jun 15, 2019 at 8:39 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Welcome to 2CarPros.

The first thing we need to determine is if there is spark to the plugs and fuel to the engine. Take a look through this link.

https://www.2carpros.com/articles/car-cranks-but-wont-start

What I need you to do is check fuel pressure and spark. The easiest way to do it is by seeing if the engine starts for a couple seconds using starting fluid. If it does, then the problem is fuel related. If it doesn't, most times it is ignition related. However, here are links showing how to check for spark and fuel if you don't feel comfortable using starting fluid:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system

If you find the fuel pressure is correct and there is spark, I will then need you to test for what is called an injector pulse. That is when the injectors receive an electrical signal to open and inject fuel into the engine.

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

Here are a few links to help when checking the electrical components for power:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

Let me know what you find or if you have other questions.

Take care,
Joe
Jun 15, 2019 at 11:34 AM
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