Vw passat won't start


Asked by Sep 18, 2014 at 05:54 PM about the 2006 Volkswagen Passat

Question type: Maintenance & Repair

I have a 2006 vw passat 2.0 100 k miles. It won't start I've put a new fuel pump on battery
and new alternator and still no look on starting. I have had an auto elec to see if it's and
wires they seem to be fine so anybody know what it could be ?

28 Answers


It has had 2 different battery's and like 4 different alternors

6 of 6 people found this helpful.

How do you know if your ecu has gone ????????

3 of 3 people found this helpful.

have you tryed the starter ? when you turn it over does it crank ? try looking over all the vacum lines and check your spark plugs for spark *best done in the dark* in diagnosing a starting issue its always good to know what it does when you try to start it as well.. so in a brief description when you turn the key on does it make the normal buzzing noise to prime the pump, then when you turn the key does it crank over and try to start, if it cranks and doesn't start does it chook or simply not sputter at all .. Start from the top , check spark, so coil wires and plugs. NExt move on to fuel, check the lines for leaks, change the filter if it has not been changed in over a year especialy if you don't use supreme or premium gas. if there is no fuel in the lines and you hear the buzzing you most likely had it installed with the wires backwards or hte filter is clogged. If fuel is fine check all the airways to the throttle body, most cases you may have a clogged filter or your maf is to dirty, Check the vacuum lines and pumps. Make sure here is no breaks or leaks some of the rubbery plastic hoses like to snap from to much heat and old age. Any who let us know how all that goes. and where did you buy your alternators ? perhaps they were not rebuilt correctly. i have been having an issue with alternators myself lately and it was because they were not rebuilt correctly.

4 of 4 people found this helpful.
Best Answer Mark helpful

I've changed like 4 rebuilder alternators and 2 battery's is it worth buying a brand new 1. Could it be my ecu

1 of 1 people found this helpful.

Hey just wondering did you ever find a solution because I'm in the same boat now.. And I have the same make and model

3 of 3 people found this helpful.


1 of 1 people found this helpful.

It ended up being a loose wire

2 of 2 people found this helpful.

I have the same problem I opened my gas cap and put it back on quickly and it started now it's not I been using unleaded could my issue be gas related it's so hard to find a mechanic other then a dealership to work on it

1 of 1 people found this helpful.

google map is your friend just search vw specialist and youl come up with all the specialists in your are for vw and audi. If you been using regular gas that would be your problem and your spark plugs are probably fouled. Audis can only be filled with the best high tes you can find ussaly located at petro can 94 octane.


Where did you find your loose wire?

5 of 5 people found this helpful.

he is likely speaking of the secondary small wire to the alternator. i had simalure power issues as well when my alternator went ca-put. the cooper end of that wire frayed off on my car and i replaced it with a aluminum tip and it had not been the same since.

1 of 1 people found this helpful.

So what's the fix on this??? Having same problem!

1 of 1 people found this helpful.

replace the wire end with a new copper tip or simply wrap the wire around the pole end and secure it with the bolt.

1 of 1 people found this helpful.

Hello I have a Volkswagen Passat 2002 it won't start or crank over. Replaced battery dash board lights come on sun roof won't glide it worked fine before but windows won't roll up or down I was using regular gas also if that helps ! Please help me I'm low on funds and i don't want it to get towed ! Thanks

4 of 4 people found this helpful.

sounds like you either blew a fuse or a relay best way to figure that out is start pulling fuses and find a junk yard and grab a couple spare relays to test relay slots.

1 of 1 people found this helpful.

my passat some times it is not starting and other start very normally? the remote control it is not working the battery for it is good but when i am trying to open or close it is not working have to open and close manually any advice

2 of 2 people found this helpful.

you auto start is likely the issue mate. sounds like a wire is lose or the unit went bad

2 of 2 people found this helpful.

I bought a 2008 Passat that drove just find during the test drive! The damn thing didn't even make it home before it cut off and started losing oil! It's been almost a week and i have bought a new battery and put a new battery in the remote because it too isn't functioning right. I'm new to both cars and Volkswagen I'm a truck girl...so can somebody tell me something I already feel in love with this car,but my husband wants it gone,help!!

1 of 1 people found this helpful.

i know i shouldnt send my email on here but send me a email (ill be removing it after you reply) at deathjam4@hotmail.com. i can help with anything you need to know a little more better with direct contact rather then here.

Email me melvindegrate1672@ gmail.com I've changed relay and fuel pump car still want start 2002 Passat it turns over but want start I put the top of line gas


ok tell me everything you have done since the issues started and tell me exactly what it does when you try to start it. for example if you turn the key does the pump make a steady hum for roughly 8 seconds then shutt off beffore start or does it make irratic sounds. anouther example would be when you try to start it does the car stuter or simple does nothing but crank .


Help 2008 VW Passat turn over but want start irractic sound like it's trying to start but want

2 of 2 people found this helpful.

I have a 2003 VW Passat i park the car under a pine tree that has small needles for about 2 years after a rainy day I noticed the windows fog up and one day the carpet was wet driver side sponged the water then rained again wet again the the key remote wont work windows wont open interier lights dont work the problem was water under carpet CCM Module full of water broken wires corrosien i replaced wire harnes and module now car wont start i forgot to mention theres a drain under the battery was cloged with pine needles the battery half in water


sounds like you left it parked for way to long. Your at this point probaly dealing with a fuel system that has gotten gummed up from prolonged sitting. First off i would put some good high octane gas in the tank and maybe put an octane booster in. check for any other signs of broken and frayed wires. that battery will likely need to be replaced they are not ment ot be pluged in for over 2 years with out it being used. Once you get the car started i would take it for a nice long drive and get that tank of gas as empty as possible and then refill with high octane again to help clean the system. Shell gas would be the best to use

I have a 99 vw Passat that doesn’t start but since it’s stick I can pop start it and it runs fine what could be wrong



I have 1999 model Passat starting problem


engine size ? what does it do ? browse the comments above see if they help

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