2002 Passat Wagon 1.8T starting problems - VW Forum :: Volkswagen Forum
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post #1 of 8 (permalink) Old 09-05-2006, 02:30 AM Thread Starter
MrS
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2002 Passat Wagon 1.8T starting problems

Hi

I am a relative newcomer to the VW world. I have just bought my first 2002 Passat Wagon 1.8T, auto-transmission a month ago. The car has less the 50,000Km on it and due to the extension is still under new-car warranty.

Although I love the car there has already been 4 times where the car just won’t start.
This problem only occurs when the car has been run and is “hot”.
After the unsuccessful first attempt, trying a second re-start just has the starter turning the engine over without the success of actually getting it running.

I have tried waiting half a minute and applying a bit of accelerator (as the manual instructs to do) without success. There is a slight petrol smell outside the car as if it has flooded.
After leaving the car for 30 mins or so it’ll eventually start – probably because it’s now cold.

The problem only occurs with a "hot" engine and has never happened on cold engine...

Does anyone have a clue as to why the car is behaving as it does and is it a known problem?
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post #2 of 8 (permalink) Old 09-05-2006, 05:14 AM
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have you been getting a check engine light or noticing a high temp reading. Do you have any other issues once the car heats up to operating temp, like hesitation or cruddy throttle response?
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post #3 of 8 (permalink) Old 09-05-2006, 07:58 AM
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Few guesses:

1) Could have a dead spot in the alternator...probally unlikely but this has happened to me in the past on other cars.

2) Since you smelled fuel...could be fuel related...clogged injectors, bad injectors or fuel pump itself.

Since your from Australia I don't know if you have the ability to get the car scanned at a dealer but sounds like it may need some professional attention. Best of luck and welcome to


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post #4 of 8 (permalink) Old 09-05-2006, 07:59 PM Thread Starter
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Quote:
Originally Posted by db
Few guesses:

1) Could have a dead spot in the alternator...probally unlikely but this has happened to me in the past on other cars.

2) Since you smelled fuel...could be fuel related...clogged injectors, bad injectors or fuel pump itself.

Since your from Australia I don't know if you have the ability to get the car scanned at a dealer but sounds like it may need some professional attention. Best of luck and welcome to
Thank you both for the quick reply.

I bought the car and supposed to be servicing it in the VW dealership which supposed to be proffessional service workshop, so I should be fine.

As to the lights, I got nothing special when starting hot, and the car usually behave perfectly hot and cold.

What I realy wanted to know is if the problem is common to Passats or not...
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post #5 of 8 (permalink) Old 09-06-2006, 09:03 AM
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Quote:
Originally Posted by MrS

What I realy wanted to know is if the problem is common to Passats or not...
Not that I have seen here in the States...so I don't know if this is a known problem over seas.


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post #6 of 8 (permalink) Old 09-07-2006, 11:00 AM
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PRobably has nothing to do with it but...

I had a Subaru that had that problem. It turned out to be a sensor in the exhaust system that was faulty, it thought that the car was overheating. It happened more often in the winter (I think it might have had something to do with some sort of bypass or something?)

Mike

06 Jetta TDI
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post #7 of 8 (permalink) Old 09-08-2006, 09:48 PM Thread Starter
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Thank you all

I will book the car for a proper check in the dealership service centre.

Tuishimi - I will not be surprised if it is a faulty sensor issue...

Again, thanks for everything
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post #8 of 8 (permalink) Old 09-26-2006, 09:27 PM Thread Starter
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Resaults

Hi again

I thought you would like to know the cause for the problem...

Yesterday I had the car checked by the dealership mechanics and they found a faulty sensor in the engine that tells the computer if the engine is hot or not...

It was reporting cold engine when the engine was actually hot and the computer was flooding the engine with fuel when trying to start (which explains the smell of fuel when the engine failed to start).

Again, thank you for your help,

Eran.
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