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Old 03-08-2023, 12:14 PM   #1
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Engine won't start

Any thoughts appreciated...

RV was starting as was generator. Cold weather happened, maybe unrelated. After a week or 2 when checking on it, no starts for either.

Battery removed, checked, good.

Starter replaced (previous old and rusty). Still no start.

Gas tank is full.

Shifter in Park position, not in neutral or in between.

Am getting house lights and it attempts to turn over but just doesn't fire up. I recorded an attempt to start so you could hear the sound of the engine trying to crank but can't load on the site.

What next? Spark plugs? I thought they were replaced when I had in the dealer for service but don't see on my paperwork. Just thought I would ask a friend in case something else seems more obvious.
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Old 03-08-2023, 12:33 PM   #2
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Check your ground cables.
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Old 03-08-2023, 01:30 PM   #3
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Could be the plugs or a fuel injector, fuel line (filter) or carburetor depending on the age.
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Old 03-08-2023, 01:51 PM   #4
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Questions ?


What year and chassis is your class C built on ?
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Old 03-08-2023, 02:12 PM   #5
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Quote:
Originally Posted by Skip426 View Post
Questions ?


What year and chassis is your class C built on ?
2004 Ford E-450 V10
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Old 03-08-2023, 02:27 PM   #6
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Could the inertia switch have been tripped ?

It may be on/in the passenger side kickplate, there's typically a little red plunger button that pops up. Push it down to reset it.
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Old 03-08-2023, 03:50 PM   #7
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10 spark plugs didn't go bad.

First is check for spark, then fuel pressure, then air intake . All of that stuff is needed.
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Old 03-08-2023, 06:51 PM   #8
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if it were me, I'd spray a little starting fluid into the air intake.
If it starts at all, this will point you to a fuel delivery problem

Kip
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Old 03-08-2023, 11:44 PM   #9
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Quote:
Originally Posted by WarHorn79 View Post
Any thoughts appreciated...

RV was starting as was generator. Cold weather happened, maybe unrelated. After a week or 2 when checking on it, no starts for either.

Battery removed, checked, good.

Starter replaced (previous old and rusty). Still no start.

Gas tank is full.

Shifter in Park position, not in neutral or in between.

Am getting house lights and it attempts to turn over but just doesn't fire up. I recorded an attempt to start so you could hear the sound of the engine trying to crank but can't load on the site.

What next? Spark plugs? I thought they were replaced when I had in the dealer for service but don't see on my paperwork. Just thought I would ask a friend in case something else seems more obvious.
FUEL PUMP CUBE RELAY, STARTER CUBE RELAY, often in Power box under hood w/ high Amp fuses... I can tell tales on both. If yours has similar plug-in relays, sometimes can SWAP A FEW AROUND FOR TROUBLESHOOTING, usually $15/ea range, 5 minutes to change if needed. Good Luck
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Old 03-08-2023, 11:47 PM   #10
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On gen issue, or engine, please provide rig & GEN details???? Working somewhat blind..
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Old 03-09-2023, 08:19 AM   #11
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Can you be more specific on "not starting"? Does the engine turn when you turn the key to start or does it just click or does it not make a sound?
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Old 03-09-2023, 08:40 AM   #12
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does the engine turn over??
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Old 03-09-2023, 08:46 AM   #13
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Recheck by removing and recleaning battery connections; need bright metal showing.
Batteries may be too old to provide original rated 'COLD" cranking amps.
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Old 03-09-2023, 11:20 PM   #14
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Technically BEST described "NO CRANK/ NO START" is now changed to CRANK/ NO START? Is it a normal fast crank, or a slow crank? Did you swap relays in the POWER PANEL UNDER HOOD? iF SO, WHICH changed what?
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