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  • A mystery code.

    My 95 GT will not start. I get a code 3 and a 41. OBD 1 of course. My Hanes book says 3 is cam sensor. The book does not list a 41. Are there other codes listed somewhere?Also when I back probe the red with black line wire that provides current to the distributor that powers the cam position sensor there is no current. I notice this wire also goes to about a half dozen other places. Surely I will not have to go from this point to every other sensor and position that has the red with black. Is there not a simpler way to diagnose this issue? Maybe the 41 code will provide a solution.

  • #2
    check out this page: SCPOC - Ford Probe Diagnostic Codes - 2nd Generation (OBD-I - 1993 to 1995)

    Code 03 - Cylinder Identification (CID) Sensor

    Code 41 - Variable Resonance Induction System (VRIS) Solenoid #1/High Speed Inlet Air (HSIA) Solenoid
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    • #3
      The wire for the CPS goes up and down near the dipstick. Do you have timing covers on? Mine aren't on, so my CPS wire is zip tied to the dipstick tube but still very close to moving parts. It's one place to check.
      Probe out for Harambe
      94 PGT KLZE http://i882.photobucket.com/albums/a...psr6dk8q1m.jpg
      https://www.youtube.com/watch?v=aauXMeITcdM

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      • #4
        Thanks for the response dmark and Blue. I will be sure to check that area.

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        • #5
          My Haynes book says the cam position sensor is in the distributor. However, I do not seem to be getting any current to the distributor on the red and black line wire. Also, does the virs which gives a code 41 have anything to do with the cam sensor? What if I just run battery current to the red/black wire connection at the distributor?

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          • #6
            No, do not hookup 12v to anything like that. That is a good way to make sure something is broken. What wire is the red/black wire, what is it supposed to do?

            You should be able to read the wire out. I.e. disconnect at both ends ends and use a meter to read whether the wire is open somewhere. If one end is in the car and the other under the hood, you ground the wire at one end to the chassis (the outer part of the cigarette lighter works as a ground) and touch the red meter lead to the other end of the wire and the black lead to the chassis completing the circuit. If it reads 0 or a few ohms the wire is good. O.L. or really high resistance the wire could be broken. Also test if the wire reads to ground without your added wire. If it does then you could have a short.
            Probe out for Harambe
            94 PGT KLZE http://i882.photobucket.com/albums/a...psr6dk8q1m.jpg
            https://www.youtube.com/watch?v=aauXMeITcdM

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            • #7
              The problem is that there are about 10 different places the black with red wire goes to beside the oxygen sensor connection at the distributor according to the Haynes manual.

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              • #8
                Almost every time I pulled codes in the past 41 was always on the list whenever my 95 PGT wouldn't start. At one point the car was such a headache it took a swapped fuel rail and trying 3 different eBay distributors before the thing would start again. I couldn't get it to fire on the hei mod at the time either. If you have access to a different distributor you could try to swap it out.

                Before purchasing one do try to follow those wires back from the disty to see if any wires are damaged. If for some reason the CID Cam position sensor is defective on the 95 I am pretty sure it will not start at all.
                1995 Probe GT - N2O Ingested, CM 3, fidanza, headers, exhaust, CAI, MS, kenwood sound
                2010 Ram 1500 4x4 - Daily Driver
                99 Mustang V6 stock inherited not sure what the plan is

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                • #9
                  Very interesting. Since I am not getting current to the distributor it looks like I need to check out the wiring. Since a 41 code suggests vris not working how could that keep it from starting?

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                  • #10
                    VRIS will not prevent startup. Is the cam position sensor powered by the ecu or is the cam sensor inducing a current to send to the ecu? I always thought it was the latter. In which case the ecu isn't going to send voltage to the distributor.

                    I'm sure there is someone here that knows positively. When you swing a piece of metal through a magnetic field you induce a current. The ecu just reads that and compares to other sensor timing. That is how a crank sensor works, cam sensors, ABS sensors. If I am right you should see a voltage from the disty while cranking. Not sure how many volts, probably not much though.
                    Probe out for Harambe
                    94 PGT KLZE http://i882.photobucket.com/albums/a...psr6dk8q1m.jpg
                    https://www.youtube.com/watch?v=aauXMeITcdM

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                    • #11
                      +1 on the distributor. Biggest headache the pgt ever caused me. Multiple bad refurbished units. It took me about 4 before I got one that worked.
                      2015 Audi Q3 - Stock |
                      2017 Audi TTS - 034, Magnaflow |

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                      • #12
                        As stated above I'm sure it will not send voltage to the distributor until it gets the pick up signal. The ignition in part of the disty and it will not fire until the timing is established.

                        Like c-man said why does the refurbished distributors such a pain? Is there a known good source from anywhere specific? It did take me 3 before restarting.
                        1995 Probe GT - N2O Ingested, CM 3, fidanza, headers, exhaust, CAI, MS, kenwood sound
                        2010 Ram 1500 4x4 - Daily Driver
                        99 Mustang V6 stock inherited not sure what the plan is

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                        • #13
                          They patch the heat cracked plastic and try to re-use the coils and ignitors. They probably pass some sort of weak quality check and make it back out into the world.
                          Probe out for Harambe
                          94 PGT KLZE http://i882.photobucket.com/albums/a...psr6dk8q1m.jpg
                          https://www.youtube.com/watch?v=aauXMeITcdM

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                          • #14
                            Check your ignition wires. Mine were hacked into by a previous owner when they installed an after market alarm / shock sensor. I put multiple distys in mine too just to find a bad connection on my ignition wires under the dash.

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                            • #15
                              Thanks for all the suggestions. I am not looking for the distributor to send current, just to see why no current is going to the input for the cam sensor in the dist.

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