nissan sentra ignition issues - Car Troubleshooting


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nissan sentra ignition issues

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aaron7
New User

Jul 9, 2012, 2:44 PM

Post #1 of 5 (2230 views)

nissan sentra ignition issues	Sign In

A friend of mine is working on his 1997ish nissan sentra.
The starter turns and sounds good but engine won't start. The spark plugs were replaced but no go.
So it isn't the battery, starter, or spark plugs...which means the problem is past my mechanical skills. :) any ideas as to what the problem is or how to isolate the problem?
Thanks

(This post was edited by aaron7 on Jul 9, 2012, 2:47 PM)

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jul 9, 2012, 3:06 PM

Post #2 of 5 (2218 views)

Re: nissan sentra ignition issues	Sign In

The starter is cranking the engine?

If the engine is cranking, but won't start, you need to check for spark, fuel pressure, and injector pulse. Also wouldn't be a bad idea to see if there are any trouble codes being stored in the ECU. Write down any numbers you get.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

aaron7
New User

Jul 9, 2012, 5:17 PM

Post #3 of 5 (2192 views)

Re: nissan sentra ignition issues	Sign In

That's correct, the starter is cranking the engine but it won't start.
Thanks for the advice... I'll check on those three items

aaron7
New User

Jul 15, 2012, 1:35 PM

Post #4 of 5 (2131 views)

Re: nissan sentra ignition issues	Sign In

Ok, it isn't getting a spark... and like I said, the spark plugs have been replaced... distributor cap maybe?

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 15, 2012, 1:42 PM

Post #5 of 5 (2126 views)

Re: nissan sentra ignition issues	Sign In

Is it getting injector pulse?

What is the fuel pressure?

Do you have power supply to the + side of the coil and the injector?

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