Fuel in the oil
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- Enlisted
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Fuel in the oil
Hey guys,
Had posted last week about my car having a misfire and low oil pressure light. Anyways it turns out the reason the oil light came on was cos the fuel was mixing with the oil somewhere, did an oil change, and the dip stick still smells strongly of fuel.
Any reason as to where or why the fuel and oil are mixing?
FYI, last mod I did before this started was HPFP
Car is 8p S3 CDL
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Had posted last week about my car having a misfire and low oil pressure light. Anyways it turns out the reason the oil light came on was cos the fuel was mixing with the oil somewhere, did an oil change, and the dip stick still smells strongly of fuel.
Any reason as to where or why the fuel and oil are mixing?
FYI, last mod I did before this started was HPFP
Car is 8p S3 CDL
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- Shadows101Fall
- Cadet
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Re: Fuel in the oil
Over fueling in its moer in. Get a diagnostics done. You will **** up your block if you keep on driving like this, alternative, go back to stock fuel pump and clean oil.
I buy broken/smashed/written off cars
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Ex: 2014 Nissan NP200 1.6i - meh.. Sold
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Current: 2005 Alfa Romeo GT 1.9 JTDm
Ex: 2014 Nissan NP200 1.6i - meh.. Sold
Ex: 2000 Alfa Romeo GTV 3.0 Sold http://www.vwclub.co.za/forum/viewtopic ... 1&t=197077
Ex:1980 2 door mk1 build thread Sold http://www.vwclub.co.za/forum/viewtopic ... 1&t=192831
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Re: Fuel in the oil
Hey dude, tried a stock pump yesterday.. same result. Planning on trying a different o2 sensor now. Hoping this one is just f***ing out
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- Cadet
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Re: Fuel in the oil
Hpfp is leaking fuel into the oil...
- panic-mechanic
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Re: Fuel in the oil
Did you try a new pump or a old stock pump. It can be the same problem on both and common on a used/old if they have been sitting on a rack for a while.
Last edited by panic-mechanic on Mon Nov 27, 2017 8:05 am, edited 1 time in total.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
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'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
- Neuk
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Re: Fuel in the oil
Are these pumps more stingy with fuel?panic-mechanic wrote:Did you try a jew pump or a old stock pump. It can be the same problem on both and common if they have been sitting on a rack for a while.
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Daily Drive: 2014 VW Touareg 3.0 V6 TDi R-Line
Project Fes: 1982 VW Golf GLS 1.5
Project FeO: 1966 VW Type 2 Transporter Kombi Split Window
Previous Garage:
Roxy: 2015 VW Golf R
Vagon: 2005 Audi B6 A4 1.8T (140kw) Avant
Project XXXX: 1967 VW Type 3 Variant (Squareback)
Project Betty: 2005 Polo 1.9 TDI (PD130) Sportline
Weekend Warrior: 1993 Volkswagen Caddy 2.0 16v ABF on ITB's
- panic-mechanic
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Re: Fuel in the oil
Very stingy.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
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Re: Fuel in the oil
Lol.. well it wasnt a new pump, but my thinking was what are the odds they both bad? Thinking the lambda sensor is bad today but is it possible that overfueling can over fuel to an extent whereby there's fuel in the sump?
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Re: Fuel in the oil
And yeah, the other pump had been sitting for a while....Mvuyiso wrote:Lol.. well it wasnt a new pump, but my thinking was what are the odds they both bad? Thinking the lambda sensor is bad today but is it possible that overfueling can over fuel to an extent whereby there's fuel in the sump?
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- panic-mechanic
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Re: Fuel in the oil
Bad lambda will show up in a scan and will never cause fuelling to go to the point where it puts so much fuel in the oil that you notice it. They have a logical shutoff point in the management where it will stop considering a lambda reading
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
- dcmk4
- Lieutenant
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Re: Fuel in the oil
My initial thoughts too, if that can happen..s3 freak wrote:Hpfp is leaking fuel into the oil...
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Re: Fuel in the oil
Haha I wish I'd checked this post sooner, yeah well it was a waste of timepanic-mechanic wrote:Bad lambda will show up in a scan and will never cause fuelling to go to the point where it puts so much fuel in the oil that you notice it. They have a logical shutoff point in the management where it will stop considering a lambda reading
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Re: Fuel in the oil
Well my next creative way of wasting money is having the injectors reconditioned. Will take the car to a proper garage now tho. Here's to hoping my warranty pulls through
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- panic-mechanic
- Panic's Place
- Posts: 26715
- Registered for: 21 years 8 months
- Membership No: 79
- Location: Benoni, putfontein.
Re: Fuel in the oil
well being in randburg why don't you pop into volkswagen hatfield and speak to Morne Lourens.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
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Re: Fuel in the oil
Decided to tow it to Yosh later this week rather rather, thought about the dealer route but wasn't sure how they'd feel touching a modded car
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Re: Fuel in the oil
Well as panic mentioned, the issue was just a bad HPFP seal, which thanks to VW warrants a new hpfp lol. Thanks guys
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