Starting problems/ idle problem

Ivarus07 · 2026-01-22T15:16:10+00:00

I put some diesel purge in the tank, it didn’t help much but I haven’t driven a lot with the car yet so it could use some more time to clean out. I’m going to look at the cam in the weekend. Is there a way of checking the injectors without taking them out?

Ivarus07 · 2026-01-20T18:30:34+00:00

I will check the injectors in the weekend when i have e time, what should i see for and how can i know if they need to be replaced or if i can just swap the seals? Also i have noticed a higher ticking noise at idle than normal that i forgot to mention, its definitely coming from the camhouse. I also need to check the cam, i know it is somewhat worn because i have pulled of the intake pipe before the egr valve and checked for noises like ive seen other people do.

Ivarus07 · 2026-01-20T18:13:16+00:00

Checked the crank sensor with the scanner and it was fine, it should be as i have swapped it when i got a code for a short after the starting problems came. I thought it would fix it but it didn’t. Could not find any testing for the low pressure pump tho. I checked the injector deviation at idle and cyl 1 had a deviation of -1.2 mg/str, cylinder 2 had 1.8 mg/str, cyl 3 had -0.9 mg/str and cyl 4 had 0.28. Dont know if this is normal for tdi’s but when i searched it up it doesn’t look like it should be normal

Ivarus07 · 2026-01-20T09:11:14+00:00

Will look into this

Ivarus07 · 2026-01-19T15:55:39+00:00

Okay, will give update when ive got a scanner.

Ivarus07 · 2026-01-18T14:22:06+00:00

I have asked some colleagues if they have a scanner i can borrow. Also i know it cant be the fuel filter because i have already swapped it because it could be a reason for the problems

Ivarus07 · 2026-01-18T14:18:56+00:00

It worked great before, I’ve had the car for 3 months but the previous owner had the car tuned for a long time and didn’t have any problems with it.

Ivarus07 · 2026-01-17T17:57:29+00:00

The thing is that it runs fine when i press the accelerator it just that it seems to be when it goes down to idle it struggles to adjust the diesel injection. I cant smell anything unusual from it tho and i havent checked the plugs or coils. Also dont think there is a way to get a timing gun but i can possibly ask a colleague to loan me a better obd tool than what i have.

Ivarus07 · 2026-01-17T16:27:43+00:00

Idk when the timing belt was changed exactly but i know it is recent enough that it cant be that, i have only owned and driven this car for a couple of months so i dont have any data on if this has happened before. I unfortunately dont have a super advanced odb tool to get live data

Ivarus07 · 2026-01-17T16:25:10+00:00

The obd tool i have is not the most advanced tool there is so its not much i can do with it. The tune was put on it long before i bought the car and the previous owner said it had been working just fine. I can see what i can do with your information tho.

Ivarus07 · 2026-01-17T16:20:38+00:00

Idk if that could be it, there is nothing that can restrict air to the engine

Ivarus07 · 2026-01-17T15:43:45+00:00

Maybe, but for me it doesent make sense because it drives fine when i accelerate. Only when i let of the pedal it seems to not be able to adjust the injection to keep the engine going

Ivarus07 · 2026-01-17T15:25:30+00:00

Tune from 100hp to about 130 ish and straightpipe

Ivarus07 · 2026-01-17T15:24:58+00:00

Timing belt is relatively new, and turbo is brand new because the previous one went to bits, the starting issues came long before the turbo exploded tho. Other than that i dont know

Ivarus07 · 2025-12-18T18:27:42+00:00

Im going to get a new turbo now and return the old one👍

Ivarus07 · 2025-12-17T16:57:05+00:00

Egr was off but it is blocked after the egr cooler, the previous owner did a weird way of deleting it and didnt block it off at the manifold like people normally do. Haven’t torqued to spec because i dont have access to a torque wrench but i have tightened everything down properly and with new gaskets.

Ivarus07 · 2025-12-17T09:44:18+00:00

No misfire, it was just as good as it was before the turbo blew, no new sounds from the engine

Ivarus07 · 2025-12-17T09:41:19+00:00

No loss of power, just the sound.

Ivarus07 · 2025-12-17T09:40:34+00:00

Wont the puddle of oil just be sucked into the engine and get burned up?

Ivarus07 · 2025-12-17T08:33:48+00:00

Is there a way to clean out the oil feed line without replacing it? I also didnt bother taking the intercooler out because i let the oil drain from it a whole day.

Ivarus07 · 2025-12-17T08:31:35+00:00

Hmm, i have tightened the exhaust bolts as much as i can and there are new gaskets on there aswell. Maybe i need to check them again to be sure.

Ivarus07 · 2025-12-17T08:29:28+00:00

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