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Derick Tremblay
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Everything posted by Derick Tremblay
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yeah i pined it directly at the ecu , pin 86 and 87, how far off does the signal need to be for it to be lost and not picked up by the ecm ?? i think im about to pull both cam and compare them side to side and make sure that the pickup rings are exactly the same. -
Green is my bank1 the one im not picking up with the scanner and yellow is 2 , tm morning i think im going to compare my crank and cams will see what i get from that.
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I ran an overlay to the ecm with my test leads, sensor to ecm . and yes it has only been tested at idle , but I find it strange that I cant even see anything with my durametrics on bank one . but as soon as I swap bank one and bank 2 pins in the ecm im able to pic up bank one on the screen but its actually seeing my bank 2. here is the picture let me know what u think.
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yes it was .. now I pined both cam position sensors and inspected both readings to see if they match up , and they do .. Im not sure how to add a picture on this forum so im not able to upload one at this time but they line up .. witch to me makes absolutely no sense, if they dso is able to pick up a reading why cant my cam sensor??? now again I decided to swap sensor same result .. I could understand if my cam way out of time ,, but it isn't and I should be able to get some sort of reading. now I performed and overlay on the 3 cam wires still with same result .. I know the fault code says that there is a damage pickup ring but if I did they would not line up so well on the dso and the reading would be all out of wake... how do I add a picture ?
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yes i do agree with that video . if they are not matching or lined up then it would seen like i have a timing issue or an issue with my cam adjuster. ive just ordered a dso from snap-on yesterday . should be coming in this week.
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yes i will inspect this scope thx . what im not getting is a reading from my cam sensor bank 1 with my durametrics i don't believe its the sensor because when i swap it the problem is still present on bank 1, it should be straight forward ,, ecm good ... wiring good,,, sensor good,,, now im questioning my measurements on that sender ring , this is a pressed on ring ,, wondering if it could spin on the cam and can just be out of spec to the point that it cannot be red by my durametrics? wondering if any one has any specs on that sender for me to measure to make sure it is facing the correct way?
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I do do not have an scope at the shop ... if i did this would have been the first things i would have done, very expensive for the amount of times im going to use it , and ive seen this video thx ahsai appreciate the link. ive measured and inspected my sender and i assure u that it is not damaged ... i could understand if one of the ears are bent in or are completely damaged but there is nothing to say otherwise .. and for me to throw a 1200$ intake cam at it it seems a little steep,
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2003 Porsche cayenne s getting code p0344 , scanned with durametrics and inspected readings of position sensors on both cams, note I have +or - 8 on bank 2 ( with in spec ) and I don't even have a reading on bank one... suspected that I have a dead sensor .. tested by swapping both sensors problem still persists, inspected wiring from ecm to sensor all ok 0.4 ohms resistance .. all within spec.. inspected pick up on cam position sensor on intake cam , compared with bank 2 ,, measured height and gap of pick up ring.. both are same .... inspected basic engine timing both plates that lock cam shaft are lined up and pin at crank is in place, now im left with no other ideas ,,,NOTE I suspected I had a faulty ecm I decided to swap signal wire from position sensor 1 and 2 at ecm problem jumped to bank 2 ,,, by doing this we know that the ecm is reading correctly ... ive been a VW dealer tech for the last 9 year and this is the first time that ive been stumped on a vehicle,,, just wondering if anyone has seen this type of issue or can shoot me in to a direction thx in advance!!!
