Question about 2004 Volkswagen Passat
Need more info, does the coil get hot? Run it and as soon as it stops feel the coil and see if it's hot.
Posted on Apr 02, 2015
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Posted on Jan 02, 2017
SOURCE: i have recently been gettin
I had this same problem back in November during a very cold spell.I had an appointment to have some "recall" work done on my 03 passat and told them about the STOP brake light. When I picked up my car, the dealer told me that it just needed some brake fluid??, so they filled it ! Well, I don't know about that, but I haven't seen that pesky STOP warning light since.
Posted on Jan 28, 2009
There may not be any other way to fix it except to replace your instrument panel. That's where your immobilizer is located. Or you could try this:
Try cold-booting the car. Remove both battery cables from the battery. Short the battery cables together (away from the battery) for about 15 seconds. Reconnect the battery. No guarantees - I found this info at tdiclub.com.
Posted on Jul 07, 2009
chances are if you system was serviced by modern equipment then they would have pulled a vacuum before recharging .. that would eliminate moisture in the system .. the evaporator is inside your heater box .. you cant see it .. the condenser is the radiator like device in front of your engine cooling radiator ..
if the system is changed properly and still does not work or works intermittantly . then there is a good chance that the air conditioner clutch electronic module is bad .. thats a relay like device located on the drivers side behind the dash .. you have to snap off the dash side panel .. its normally hidden by the door .. inside that is the fuse panel and behind that is the relays/electronic modules .. the one that operates the air conditioner clutch is marked 384 .. there are other possibilities depending on your a more precise description of the problem ..
Posted on Jul 25, 2009
this is a common problem for these cars glow plugs go bad like spark plugs however the smoke would lead to bad mass airflow meter. it is not telling ecu corrcet miss. disconnect mass airflow meter. when cold see if this makes it start better. it should would means you need new m.a.f. glow plug issue take a test light place clamp on positive of battery then pull off glow plug connectors place tip of test light on glow plug the bad one will have a dull light unlike the good one which will be brighter. will need new plugs and wire harness four **** connectors and wire striper and crimper will fix concern good luck
Posted on Sep 01, 2009
problem one is the timer control for the heaters ,also check the heaters that they are working ,oil problem ? look under the rubber boot that goes over the oil switch ,pull it back and if oil under the cover renew the oil switch,these motors do suffer from heater light flashing on and i know people have spent megabucks trying to cure it ,its a fault with dash and printed circuits ,but the heaters are not coming on i know because i have driven one with the heater circuit light coming on and i had a extended light on a long wire and the heaters are not coming on ,ignore it just renew the faulty glow plugs,as for EGR valve just pull teh vacumn pipe off the ERG valve and leave disconnect ,more hassle than its worth changing it ,you could end up with a ECU computer .Still a nice reliable motor though and economical
Posted on Jan 21, 2010
Testimonial: "Thanks for your usefull answer. Afer I stop the engine 2 times from EGR valve, both board alarms have been reseted. What does it mean? Thanks again."
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