Diagnose this (possibly) simple no-starting problem
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Join Date: May 2006
Location: Albany, NY
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Diagnose this (possibly) simple no-starting problem
1999 XLT 4.0 113,000 miles. Truck ran fine yesterday when parked. Get in this morning to go to work, starter cranks and cranks but engine will not fire up. Cranking sounds normal like always. I let the truck sit for about 10 minutes, go back out and it fire rights up. Never had this problem before.
I am thinking fuel pump? Possibly ingnition coil?
Any ideas? How do I diagnose this problem if it happens again? I guess I would start by pulling a plug and checking for spark while cranking.
I am thinking fuel pump? Possibly ingnition coil?
Any ideas? How do I diagnose this problem if it happens again? I guess I would start by pulling a plug and checking for spark while cranking.
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#5
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have you changed fuel filter recently. I had same problem a few weeks ago after I changed fuel filter found out I was leaking a little gas but the lines were tight on the filter after it was changed. Changed fuel filter again stop leaking and figured out that on the the ends on the filter was slightly larger.
#8
Fuel pump relay should do it
Mine has done a similar thing. Would start fine most of the time. Sometimes would "hit" a couple of times and quit. Would not start for a while. Then was fine a couple of hours later. Replaced the fuel pump relay, and presto, it works every time again. Still doesn't make sense to me though, as it worked some times.
Tim Glover
Tim Glover
#12
This happened to my roomates ranger a few weeks ago. She was cranking for a while, at 5am... I think it was just a fluke. another thing to look into is the fuel pressure regulator. If that was going out, it would cause the fuel rail to loose pressure making it difficult to start. However, if you were getting any pressure from the pump it should take a few cranks to start up at the most.
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