Inertia switch issue


Maine Ranger

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Hi Rangers
Having an issue with code P0025 says my fuel system shutoff valve open ...I replaced the switch and check my relay but still having same code and issue also with code P0005 says camshaft has a retard in bank 2 any help would be great thanks oh yeah it's a 04 4.0 v6
 


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Dirtman

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Are you actually experiencing a problem with the truck, or did you just plug in a scanner and see these codes and now THINK you have a problem?


I say this cause those 2 codes don't exist on your truck. 😉
 

Maine Ranger

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No have a problem truck won't start turns over but no start
 

Dirtman

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Spray starting fluid in the throttle body. Does it try to start?
 

Maine Ranger

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I've been semi working on it for awhile .in between rain and snow I replaced the switch but still having issues
 

Maine Ranger

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Spray starting fluid in the throttle body. Does it try to start?
went for my can today it was empty have to get more in the morning ....in 35 miles from any town
 

Dirtman

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Need to do Ron's classic 50/50 test. Spray starting fluid. If it tries to start you got spark and no fuel. Next would be check fuel pump relay, and fuses. The inertia switches dont just randomly go bad. And that code is not used by ford. Neither of them are. So your scan tool is no help.
 

Maine Ranger

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Ok I checked the relay and fuses both are fine ....and from what I understand is that those switches can go off by a hard hit or vibration ...and the ford repair manual has those codes in them
 

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P0025 is a variable valve timing code. You don't have variable valve timing. And in all my years I've never seen a inertia switch throw a code. It's just off or on and no computer feedback.

The inertia switch can be sensitive AFTER a accident. But even then they can be reset temporarily.
 

1986RangerXL

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Ok I checked the relay and fuses both are fine ....and from what I understand is that those switches can go off by a hard hit or vibration ...and the ford repair manual has those codes in them
When you turn the key to on, do you hear the fuel pump start? I had a bad inertia switch with no apparent accident damage. We ran power from the battery directly to the switch and fuel pump came on, replaced the switch and it started up
 


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