1994 xlt no start, sputtering, backfire
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4wd Low
Joined: Oct 2022
Posts: 12
Likes: 1
So, I got the truck to start. Embarrassingly enough, it was a kinked intake gasket. It got folded when I put the upper intake on... lol. I replaced the tps with a motorcraft one and the code cleared. Truck idles a bit funny... None of my gauge lights work, speedometer doesn't work O/D button is flashing and my ABS light is on, truck hard shifts into 2nd and seems like it's struggling for power. I got a code 452 on my code reader. I replaced the VSS sensor just to rule it out, but since my speedo isn't working I'm under the assumption that the sensor is not the one causing the fault. If it's the PSOM, then why won't any of the lights on the cluster work? Is it all related in some fashion or is it looking like a wiring problem? At least I'm one step closer here...
Logistics Pro
Joined: Nov 2013
Posts: 3,928
Likes: 1,198
From: Mojave, Ca
Good job. I hate intake gasket related problems. It's such a nightmare to pull it apart to find out nothing was wrong. But you got yours fixed.
check your fuses, both by the driverside knee and under the hood in front of the master cylinder.
If you fuses are good, pull out your instrument cluster and the easily removed panels below it to inspect the wiring harness for rodent damage.
check your fuses, both by the driverside knee and under the hood in front of the master cylinder.
If you fuses are good, pull out your instrument cluster and the easily removed panels below it to inspect the wiring harness for rodent damage.
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4wd Low
Joined: Oct 2022
Posts: 12
Likes: 1
Pulled the cluster out to this... Looks like previous owner let the inside get rained on or spilt their drink. The whole side where the coolant gauge is located is completely rusted and corroded. Does the coolant temp sensor piggy back off the cluster? Is that why the ecm is throwing a coolant temp sensor code with a new motorcraft sensor? I know the vss piggy backs off the speedo for readings. Wonder if this is the same situation.
Fleet Owner
Joined: Oct 2005
Posts: 20,786
Likes: 1,751
From: Kentucky
Assuming you are referring to the Engine Coolant Temperature (ECT) sensor it is tied to Signal Return on one side. The other goes to it's respective pin (7) on the computer.
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since there is a chart for the ohm ratings. But the connector terminals are a different manner as explained , but what are you trying to find out at this time
Lead Driver
Joined: Jun 2021
Posts: 5,221
Likes: 805
Pulled the cluster out to this... Looks like previous owner let the inside get rained on or spilt their drink. The whole side where the coolant gauge is located is completely rusted and corroded. Does the coolant temp sensor piggy back off the cluster? Is that why the ecm is throwing a coolant temp sensor code with a new motorcraft sensor? I know the vss piggy backs off the speedo for readings. Wonder if this is the same situation.
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