Question about 2002 Volkswagen Passat
Changed cam sensor and the problem still there
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Posted on Jan 02, 2017
SOURCE: How to replace ABS Sensor
They're a pain because they press into the hub. Some of them have a retaining bolt, others don't. The problem is that heat in the hub, from rolling friction in the wheel bearing and brake system heat transfer causes them to seize in place. The only way I've been able to remove them is to remove the end axle bolt that holds the axle in place, pivot the upright to gain access to the inside of the upright from behind, and tap the sensor out. You have to be careful not to damage it, and it helps a lot to spray some PB Blaster or penetrating oil in there to help loosen things up. If you try to pry or lever it out from the wire end of the sensor, you WILL destroy it.
Posted on Sep 16, 2008
SOURCE: 1997 VW Passat trouble code
Both my 97 Passat and my wife's 99 Passat were throwing the same OBD codes you listed.
Both VW's had the same problem. There is no "quick" solution for the problem. I can tell you what I found, what I had to do and how I repaired both vehicles so they no longer throw this OBD error code.
I removed the black plastivc AIR pump and found that three of the six aluminum rivets which hold the AIR pump impeller housing together had rotted off so the case was leaking air. I went to a hardware store with one of the aluminum rivets I had removed from the AIR pump and bought six brass machine screws and brass nuts. I gouged the aluminum rivets out and replaced them with the brass machine screws.
After I had replaced the AIR pump in the VW, I cleared the codes and ran the diagnostics again.
It still threw the same codes!!!
Next, I removed the plastic top engine cover from the VW engine (VR6) and located the many air solenoids hidden under the cover. I went to a local NAPA shop and purchased an eight foot length of their smallest gauge neoprene gas line (1/8 inch ID).
I carefully removed each piece of rotted VW vacuum line from the air solenoids and replaced each rotted section with lengths of the new neoprene gas line. I had to follow out each of the old vacuum lines and replace them because they were badly deteriorated. This took about five hours to accomplish.
I replaced the plastic engine cover and connected up my cable from my laptop to the VW's computer port, cleared all of the codes and ran a new scan. This time the scan was clear! Woo Hoo! Apparently, the problem was both the leaking AIR pump and faulty, deteriorated (cheap) Volkswagen vacuum lines.
It was well worth the effort. My driveway has now become a bonafied VW repair shoppe.
Posted on May 16, 2009
when you are looking at the engine pull off the plastic cover on top then the front cover that covers you timing belt there is a wire harness tha goes right to it in the left upper coner two ten mil bolts and it comes off careful not to drop bolts down in belt that could be bad. it is that easy
Posted on Sep 01, 2009
the code po341 is camshaft position sensor is faulty, you will need to replace the sensor locate behind cam gear. I would pick up Haynes auto repair book for 20 bucks, it will give you instruction on camshaft tear down and it has pictures, great tools to have if you planing to do your own work, its not easy tasks and on top of that its time consuming. the part will cost ya 47 bucks.
Posted on Oct 03, 2009
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