Engine is Hard Starting?

Tiny
MAKINBACON
  • MEMBER
  • 3 POSTS
With newer cars these days and all thier gizmos and gadgets it could be the mass air flow sensor, the map sensor, I second the Crankshaft sensor, or the ignition control module, I have seen a low battery cause these things, could even be the air filter, with all these electronics I would say get a code reader and use the internal computer tell u whats misreading, though they can read faulty. One problem may be causing another. Good luck hope everything works out
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Sunday, October 25th, 2020 AT 11:25 AM (Merged)
Tiny
MATHIASO
  • MECHANIC
  • 1,209 POSTS
Hello 1800carpro

Every engine requires four basic ingredients to start: sufficient cranking speed
(starter/ battery cables)), good compression, adequate ignition voltage (with correct timing) and fuel (a relatively rich air/fuel mixture initially). So any time an engine fails to start, you can assume it lacks one of these four essential ingredients. But which one?Insufficient cranking speed will never show any engine code.
Keep me updated and we will work on it.
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Sunday, October 25th, 2020 AT 11:25 AM (Merged)
Tiny
MAKINBACON
  • MEMBER
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Cranking speed is not a primary factor in starting an engine as much as fuel mixture and system voltage. If the engine is getting correct spark timing and the injector sprays and the air mix is sufficient then it should sputter at least. You could turn the engine by hand and start it if the ignition fires with fuel/air mixture in the cylider combustion will take place forcing the piston downward in turn turning the crankshaft if this motion continues as it should you have a running engine(Not Recommended its No model A). Still believe an upper level code reader(A good one not a walmart special.) Is a better diagnostic tool that the good ole fashioned try this method. Its not a 65 ford with points ignition or it would be alot simpler. If u can take it to a dealer they can tell you whats exactly wrong theen u can fix it your self.
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Sunday, October 25th, 2020 AT 11:25 AM (Merged)

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