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    1. Member
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      2014 FiST, 92 Corrado SLC
      05-27-2019 06:51 PM #151
      Quote Originally Posted by choobs View Post
      Im also tracking down some intermittent power loss at the fuel pump. Fun fun!
      Small update:

      I took out the fusebox completely as there seemed to be an intermittent power loss happening at the fuse panel. Split the panel, blew any dirt off and looked for corrosion, everything looked ok. Put it back in the car and it fired back up. No idea if this actually fixes the problem but it can drive again!

      Also was reading up on PCV issues as the possible cause to my squeal. Looks like I must have installed the new PCB diaphragm incorrectly as the amount of vacuum made the oil filler cap very difficult to remove. Unplugging the line from the intake mani to the valve cover, plugging the intake hole, the squeal is gone and PCV pressure seemed normal. Looks like I'm taking that apart again...

      Any suggestions to replace the plastic hose that connects the valve cover to the CCV heater? Mine was really brittle when I got the car and it broke immediately. I'm sure if I had normal PCV pressure, the heater hose with a PVC pipe stent in it to prevent the hose from collapsing should be fine.
      Last edited by choobs; 05-27-2019 at 06:56 PM.
      Former username: Magics5rip

      Corrado 3.6 build thread

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    3. Member G60ING's Avatar
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      2010 3.6 4-Motion CC, 1990 G60/TDI/R36 Corrado
      05-27-2019 10:26 PM #152
      That pvc Hose is $15 on eBay

    4. Member
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      2014 FiST, 92 Corrado SLC
      05-28-2019 11:02 AM #153
      Quote Originally Posted by G60ING View Post
      That pvc Hose is $15 on eBay
      Do you have a link? I cant seem to find one for that price. I'll pay that all day long vs some half-assed solution I come up with
      Former username: Magics5rip

      Corrado 3.6 build thread

    5. Member
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      2014 FiST, 92 Corrado SLC
      06-01-2019 03:50 PM #154
      Quote Originally Posted by choobs View Post
      Do you have a link? I cant seem to find one for that price. I'll pay that all day long vs some half-assed solution I come up with
      Well I just bought one off Amazon so I could get it this weekend and be done with it. $50, not terrible I suppose.

      When putting the car back together last time I tore one of the lower injector o rings that mate with the rail; does anyone have a part number or solution for just that o-ring? VW only sells it as part of a kit and not an individual o-ring.
      Former username: Magics5rip

      Corrado 3.6 build thread

    6. Member G60ING's Avatar
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      2010 3.6 4-Motion CC, 1990 G60/TDI/R36 Corrado
      06-03-2019 02:04 PM #155
      Sorry, out of the country and also out of spare time. I looked the part number up on eBay a few months ago and it as very cheap.

    7. Member
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      2014 FiST, 92 Corrado SLC
      06-03-2019 11:23 PM #156
      Quote Originally Posted by G60ING View Post
      Sorry, out of the country and also out of spare time. I looked the part number up on eBay a few months ago and it as very cheap.
      Its cool man, enjoy the time abroad! I did order a few OEM fuel injector seal kits from FCP so I can fix that issue as well and HOPEFULLY get this damn thing inspected!
      Former username: Magics5rip

      Corrado 3.6 build thread

    8. Member G60ING's Avatar
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      06-05-2019 08:25 PM #157
      Do you have an Instagram account?

    9. Member
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      2014 FiST, 92 Corrado SLC
      06-06-2019 11:01 AM #158
      Quote Originally Posted by G60ING View Post
      Do you have an Instagram account?
      I do
      Former username: Magics5rip

      Corrado 3.6 build thread

    10. Member
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      2014 FiST, 92 Corrado SLC
      06-08-2019 02:03 PM #159
      Ok - the car should be ready for inspection. I took it out and thrashed around on some back roads for funsies and now another issue. With the car is fully warmed up and I let it idle too long, the engine sputters, dies and will not restart. However after some cool down it starts just fine.

      Scanned the ECU and I have P0087 and P2293 which are the fuel pressure sensors. From what I have read this may be related to the HPFP(?) so I'll tear that down soon and take a look I suppose.

      EDIT: Interesting note, I was observing live data of the high pressure fuel sensor and with the engine hot and not running. The fuel pressure was slowly climbing to nearly 8000 kPa (1160psi) . I then started the car it came down to 4000ish kPa (580psi) then stuttered and died with difficulty starting. Pressure is now at 320kPa (46 psi).

      I'm thinking the high pressure sensor might be kaput.

      EDIT 2: Idle fuel pressure should be ~40-50 bar (588-735 psi) so that seems to fall in line with what I observed but the rising fuel pressure with the car not running doesn't make any sense. That value should be static unless that thought is incorrect...
      Last edited by choobs; 06-08-2019 at 03:22 PM.
      Former username: Magics5rip

      Corrado 3.6 build thread

    11. Member
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      2014 FiST, 92 Corrado SLC
      06-11-2019 09:18 PM #160
      Another interesting trend I have noticed is that when the car is hot, the gauge for the coolant temp reads fairly close to the oil temp at around 210ish deg F, which I would expect since I have the sensor pre-radiator tapped for the gauge. However, when I view the scan tool, the ECU is seeing a temperature of 270+ deg F. I checked the resistance between the individual temp circuits and found the following:

      for the gauge circuit: 2.04 kOhm @ 70 deg F
      for the ECU circuit: 1.01 kOhm @ 70 deg F

      According to the test ranges I have seen for these sensors, the gauge circuit has the correct resistance but the ECU circuit does not. Is is normal for these 4 pin sensors to have different ohm ranges for the same temperature? Or is this an indication of a bad sensor?
      Former username: Magics5rip

      Corrado 3.6 build thread

    12. Member G60ING's Avatar
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      06-11-2019 09:52 PM #161
      It’s normal to have different temp ranges for the 4 pin sensors, that’s why I had to be careful when installing mine. What sensor are you using?

    13. Member G60ING's Avatar
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      06-11-2019 09:54 PM #162
      I’ve heard it’s common to have bad fuel pressure sensors.

    14. Member
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      06-11-2019 10:49 PM #163
      Quote Originally Posted by G60ING View Post
      It’s normal to have different temp ranges for the 4 pin sensors, that’s why I had to be careful when installing mine. What sensor are you using?
      357 919 501A I beleive
      Former username: Magics5rip

      Corrado 3.6 build thread

    15. Member G60ING's Avatar
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      06-12-2019 12:24 AM #164
      Quote Originally Posted by choobs View Post
      357 919 501A I beleive

      Ok, same one as mine, is it wired the same as the mk3 TDI wiring schematic?

    16. Member
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      06-12-2019 12:53 AM #165
      Quote Originally Posted by G60ING View Post
      Ok, same one as mine, is it wired the same as the mk3 TDI wiring schematic?
      I'll check tomorrow. From a quick search of your incredibly detailed posts at TDIclub, I found the schematic and this is what the TDI pinout should be:

      Pin 1 - signal, ECU
      Pin 2 - GND
      Pin 3 - GND
      Pin 4 - Signal Cluster
      Former username: Magics5rip

      Corrado 3.6 build thread

    17. Member G60ING's Avatar
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      06-12-2019 07:33 AM #166



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    18. Member
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      06-12-2019 06:41 PM #167
      Confirmed, Pin 1 does go to the ECU. This would be the circuit with the lower resistance of the two.

      When I measured the stock grey coolant temp sensor, it was also in the area of 2.1 kOhm at 70 deg F. I may swap the OEM coolant temp sensor back in to this location and add another coolant temp sensor tap in the hose coming out of the heater core for the gauge.
      Former username: Magics5rip

      Corrado 3.6 build thread

    19. Member G60ING's Avatar
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      06-12-2019 08:42 PM #168
      There is newer style 4pin coolant sensor that eurowise utilizes.

    20. Member
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      06-13-2019 09:10 PM #169
      Upon further tests, the coolant temp sensor you suggested from the TDI is correct.

      The ECU circuit (pins 1,3) see the same impedance as the grey 3.6 2 pin coolant sensor. (roughly 2kOhm @ 70 deg F)
      The gauge circuit (pines 2,4) see the same impedance as pins (2,4) of the 12V VR6 G2 sensor (roughly 1kOhm @ 70 deg F)

      So sounds like the cheap scan tool may be at fault...
      Former username: Magics5rip

      Corrado 3.6 build thread

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