Car takes about five or more seconds to start

Tiny
CHR
  • MEMBER
  • 2004 VOLKSWAGEN GOLF
  • 1.9L
  • 6 CYL
  • MANUAL
  • 125,000 MILES
I have the car listed above TDI SE model. I had a diagnostics test done on it from 4 different garages one was a VW garage which says that it's the crankshaft speed sensor. So I had a new one fitted and it didn't do anything. He also checked the battery, camshaft, camshaft sensor and the timing belt but it's still the same.
Monday, April 27th, 2020 AT 8:56 AM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,108 POSTS
Hi,

Has fuel pressure been checked? Has anyone checked engine compression?

Let me know.

Joe
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Monday, April 27th, 2020 AT 11:11 AM
Tiny
CHR
  • MEMBER
  • 3 POSTS
No, I can ask him to check it tomorrow.
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Monday, April 27th, 2020 AT 11:16 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,108 POSTS
Hi,

Start with fuel pressure. It may be dropping off due to a leaky injector, leak, faulty pump and so on. Once it drops off, it takes a bit to rebuild the pressure. Low compression can also cause a delayed start. However, with the miles on it, that shouldn't be an issue at this point unless the engine was misused or not serviced.

Let me know what is found or if you have other questions.

Joe
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+1
Monday, April 27th, 2020 AT 11:36 AM
Tiny
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  • MEMBER
  • 3 POSTS
He checked the fuel pressure and engine compression and its all fine. He said he gets a reading from the camshaft then after 5 - 10 of Turing the key seconds after the car starts the camshaft reading goes and a crankshaft reading comes up. I don't know it that's normal or not.
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Tuesday, April 28th, 2020 AT 4:21 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,108 POSTS
I believe the computer provides predetermined timing info at start, so that doesn't surprise me.

Are you able to have him check the engine coolant temperature sensor reading when starting to see if it is accurate?

Joe
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Tuesday, April 28th, 2020 AT 7:59 PM

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