Will not start after tune up

Tiny
JOSE MUNOZ
  • MEMBER
  • 1993 NISSAN TRUCK
  • 20,000 MILES
Truck was running a bit sluggish and did the whole tune up now it doesn't want to start.
Sunday, April 25th, 2021 AT 6:50 PM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

If this started since the tune-up, are you sure that the spark plug wires are installed correctly? I attached the firing order below. Let me know.

Also, let me know what all was done for the tune-up. If possible, record the engine cranking and upload it for me to hear. I may be able to recognize the problem if I hear it.

Here is a link you may find helpful. It discusses the most common causes of a crank no start condition.

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

Let me know.

Take care,

Joe

See pics below.
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Sunday, April 25th, 2021 AT 9:01 PM
Tiny
JOSE MUNOZ
  • MEMBER
  • 4 POSTS
Oil, filter, cables, spark plugs, distributor cap and that thing that goes under the cap. Firing order is right. Check for sparks on each plug. Got I took off the hose after the gas filter to see if gas is going up there is. It cranks but just won't turn over. Oh, and I think it had the original stuff cables, cap, cables, were numbered and cap still had the Nissan logo.
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Sunday, April 25th, 2021 AT 10:28 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

Do me a favor. See if it starts for a couple of seconds using starting fluid. If it does and then stalls, then we know it's fuel-related. If it doesn't change things, then we have an ignition spark issue.

Let me know what happens.

Joe
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Monday, April 26th, 2021 AT 7:07 PM
Tiny
JOSE MUNOZ
  • MEMBER
  • 4 POSTS
Gas didn't start and I got spark on plugs the truck was running and it would turn on I just thought it needed a whole tune up and now it doesn't want to start. Along time ago I did this and didn't want to start. So I put everything back an got it to start again so I left it but this time didn't want to work with the old stuff.
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Thursday, April 29th, 2021 AT 9:19 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

If you supplied fuel or starting fluid to the engine, it has spark, and didn't start, either we have low compression or the timing is off.

Is it possible for you to record it cranking and upload it for me to hear? I should be able to tell if it is a timing or compression issue.

Otherwise, I'll need you to perform a compression test. Here is a link that shows how it is done:

https://www.2carpros.com/articles/how-to-test-engine-compression

Let me know what you find.

Joe
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Friday, April 30th, 2021 AT 6:09 PM
Tiny
JOSE MUNOZ
  • MEMBER
  • 4 POSTS
Lights work.
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Wednesday, May 5th, 2021 AT 10:08 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

Something sounds off. It could be a timing issue or a compression issue. What I suggest is this. Perform the compression test and let me know the results. I attached the link above showing how it is done.

Also, try checking for diagnostic trouble codes. This vehicle has an OBD1 system. You don't need a scanner to retrieve codes. Follow this link and let me know if anything is found.

https://www.2carpros.com/articles/nissan-obd1-diagnostic-trouble-codes-and-retrieval-procedure-1984-to-1994

Take care and let me know what you find.

Joe
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Thursday, May 6th, 2021 AT 7:50 PM

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