I have VW passat 08 regestration. Initially I had EMS light on and the code was "Intake Manifold position sensor implausible signal". I cleaned intake manifold , EGR , Flaps and reassembled the manifold. The EMS light went off straight away. But after few days the light came on again and this time the code is "O2 sensore stuck rich". I have cleaned the O2 sensor but it has not solved the issue. If I clear the code it would come back again after about 60 miles. Any suggestions will be highly appriciated. Regards
SOURCE: P103 code in a 98 VW Jetta, 2.0 liter
THAT LEAK IS UN-METERED AIR ENTERING THE ENGINE, FIX IT AND RETEST SYSTEM. P103 IS A MAF CODE. A MAF MEASURES THE AIR ENTERING THE ENGINE, AND BASED THAT AND ON OTHER DATA THE PCM DECIDES THE AMOUNT OF FUEL TO INJECT.
SOURCE: Where is the camshaft position sensor located in a 2001 VW Passat
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
SOURCE: MY VW POLO SHOWS FAULT CODE ; P0106 ABSOLUTE MANIFOLD PRESSURE SE
this a map sensor, probably just need the sensor replaced, it measurese intake vaccum and adjusts air/fuel mixture accordingly
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SOURCE: have this code PO171, what does this mean.
Not sure that the O2 sensor was bad. It sounds like it was telling you that side of the exhaust system was picking up a lean mixure at the O2 sensor. The O2 sensor was doing its job by telling you the mixture changed. If the O2 sensor was bad, it would say low voltage range for that sensor, or open curcuit.
Now the car has had time to do its diagnostic sweep, it is telling you the same thing, but from a different sensor...the fuel mix is too lean. Air/spark/and fuel is what you need in the correct amounts. In your car, the ECM engine control module controls this by taking readings from all the sensors several hundred times a second.
Mechanically, you have a few options. Change the fuel filter...under the car on the passenger side. It is an easy job.
Change the fuel pressure regulator. This keeps the fuel at 4 BAR so the fuel injectors can do their job correctly. This job just needs a screw driver to pop off the clip that holds it in place. No hoses need to be removed. It is on top of the intake manifold, in-line with a metal fuel line and a rubber one.
The fuel injectors could be clogged up on one side of the engine. Run some fuel injector cleaner through a tank of gas. Also, listen for a constant ticking sound at each injector. If one sounds off PAR, then replace it.
The fuel pump may not be giving you enough power. However, the readings seem to be localized to one side, so I doubt it.
Start with the easiest thing, and see if it works. Also, you will need to get yourself a VAG scan tool. It is the only one with codes in it for all of your VW systems, not just engine codes like the ODB scanners. You can get a nice one for $50 on-line.
Good Luck!
SOURCE: where is the bank 1 sensor 1 O2 sensor on a 2001
it will be the sensor on the passenger side exhaust before the catylitic converter
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