1.9TDi (110) Cold Start Rough

[WK2010]

Had a garage look at the car today

The timing is ok, but the injection pump is the issue been quoted £1260 for VAG patr of £900 for patern part!!

I need a recon pump or a place that will recon mine or a kit to do it myself.

Anyone got any ideas??

 

[Seatmann]

Sounds a bit dramatic just for cold start problems but who knows. I would've thought the pump would affect the running all the time rather than just cold starts, maybe it's got a little air leak and the fuel's draining back.

 

[Andrewcupra TDI]

i have similar probs

i know i have a leaking Tandem pump so might be worth a check at that

if its a pd150 its on side of engine block inbetween battery , above the gear selctor

you can buy a repair kit for it ( i have bought it ) but the dealer will tell you you cant ,,, unfortunatley you can only buy the bits to refurb the inner part of the pump 2 x gaskets ones shaped like a kidney other is figure 8 i think ) , mines leaking from the outer part ( the face part where you can see


i also had my cam belt done the oldschool way where they mark the cam etc and replace from where they market it so guess mine might be out a little

hard to find good people who dont charge the earth even when they are on tea breaks etc to clock the hours up !!!!

 

[Muttley]

WK 2010, I assume this is a distribution pump diesel and not a PD i.e. that it has a large external pump with hard tubes going to each injector?

Did they tell you what was wrong with the pump?

There are several electronic components in the pump, and any failure should throw up a fault code that you can read with VCDS. Refurbing pumps is a specialised business, though. If you can narrow it down to a specific component (sensor or actuator) then it might be possible to change that and revitalise your pump.

 

[TAK]

Hello i know im on Seat forum but ive a golf 1.9 mk 5 GT TDI 1998 on a S reg and ive had new battery new starter motor gow plugs are ok but first start of the day in cold the battery seems to drain.It will bump of fine or jump first turn anyone any ideas?

 

[Seatmann]

It's a Mk4 you have at most, I pressume it's a 110 bhp model too. I would get the alternator looked at, they can drain current while the car is sitting overnight. I've since changed mine and the car starts much better, turns over faster etc.

 

[TAK]

Thank you for your reply and sorry yes its a mk4 110,the alternator is the only thing i haven't replaced but had it checked and its charging fine but if its possable that they could drain the battery its my only possabilerty i have left.Did you say you had the same problem ?Just to let you know it turns over fine no problems after its started and even when i get a jump it turns over fast and fires straight away,its just the draining over night in the cold.During the summer its not a problem,it just seems to be in the cold.How do you check if it drains the battery,or is it a case of changing it to see,just i'm unemployed at the moment and moneys tight and don't want to change it if its not the problem.But thank you verry much for your input.

 

[Seatmann]

I'm pressuming it was, I was lucky enough to have a spare lying around but I've also read of it on other forums. The only other thing I can think would be your battery isn't handling the cold to well. There's some sort of cold cranking power that batteries have, you can get ones that take the cold better than others. Mine was exactly as you describe though, it was always really sluggish first thing but after that it was great where as now it just cranks no bother. There's a way of testing for current drain with a suitable multimeter, you set it to amps I think then take of the positive battery lead and put one probe on the battery and the other on the battery lead and measure the current draw. If it's really high then I would go alternator as a good suspect but if there's not much then I'd go battery. Another thing you could try is to leave the battery disconnected over night, hook it up in the morning and see if it works better, if it does then the battery must be ok.

 

[TAK]

Thanks for the info Seatmann i will try your ideas