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I drove the car for about 45 minutes today. Then parked. Cluster said 12.6V.
Turned car off. Turned on high beams for 1.5 minutes.
Measured with DMM, voltage across terminals of batt in trunk.
Measured 12.4V.
But when I drove car to work today, am, cluster said 12V, drove for about 45 mins, parked for about 8 hours, when came to car, cluster said 11.8 V.
Instructions basically note to recharge and test again. The one in my parents car did pretty much similar except it was always 12.46 V when I measured.
For my parents being in their 80s I replaced the battery for my peace of mind. (My father was listening to the radio for an hour outside of church killing the battery, and needing a jump)....
I found that there are in fact 3 ground points, two on the passenger side and one on the driver side - I know you're long done with this, but for future reference
Last edited by DogWood; Nov 20, 2019 at 09:29 AM.
Reason: spelling
Remember to clean off all those grounding leads every once in awhile with the electronics cleaner spray... Makes a big difference and check the lug for tightness.
That whitish line you refer to, is not a coolant line but an electrical connection between the solenoid and the starter itself. The whitish stuff on it is a thin layer of some residue, oxidation I assume.
My guess is the starter was shorting out somehow and the arcing did it in. Let me know if my reasoning not good.
Really want to make sure all is ok before I start driving that car when replacement done.
This would likely explain few weeks ago, stopped the car near autozone, can could not start. Tried multiple times, and used ignition in quick sequence to try start, then smelled some electrical plastic, turned it all off.
Then, autozone could not start car with their booster. Then they dragged a 1000cc battery to the car, hooked up and it started, but still smelled melting plastic briefly.
All was good until I stopped car in garage. then could not restart and here we are.
Had the burnt plastic smell and and a little white smoke. Received reduced engine power light earlier that day, which I cleared and drove fine, After turning on heat that night, I experienced the smell and smoke. All of these issues are pre-cursored by extending cranking when starting the car in morning. At this point I am almost certain high pressure fuel pump?
Not sure I am reading right, is your car acting up?
Mine was killed starter for sure. Once i replaced starter, everything was just fine.
Have no time to do proper diy over last few days, hoping soon though. got all the pics
Originally Posted by Mazurda
Had the burnt plastic smell and and a little white smoke. Received reduced engine power light earlier that day, which I cleared and drove fine, After turning on heat that night, I experienced the smell and smoke. All of these issues are pre-cursored by extending cranking when starting the car in morning. At this point I am almost certain high pressure fuel pump?
Not sure I am reading right, is your car acting up?
Mine was killed starter for sure. Once i replaced starter, everything was just fine.
Have no time to do proper diy over last few days, hoping soon though. got all the pics
Yes my car had reduced engine power the other morning shortly after an extended crank to start the car. Parked at work, driving home smelled burnt plastic odor and say white smoke coming from fuel pump area after I pulled over. Getting code p1031 and car will drive fine, unless I attempt to give it throttle and it will hesitate/jerk. Just odd I would get same smell you got but I am not thinking start issue. Coils and plugs were just done a couple months ago
On cayenne forums the P1031 error points to high pressure fuel pump issue. Cayenne and panamera have same engine so that would make this info related for sure.
Adding to it hesitation and stutter under acceleration and it starts to really look like hpfp.
I believe it is located near engine firewall, driver side.
Wipers come out, trim, etc, then tight space for the hpfp.
Let us know what your solution is.
Originally Posted by Mazurda
Yes my car had reduced engine power the other morning shortly after an extended crank to start the car. Parked at work, driving home smelled burnt plastic odor and say white smoke coming from fuel pump area after I pulled over. Getting code p1031 and car will drive fine, unless I attempt to give it throttle and it will hesitate/jerk. Just odd I would get same smell you got but I am not thinking start issue. Coils and plugs were just done a couple months ago
On cayenne forums the P1031 error points to high pressure fuel pump issue. Cayenne and panamera have same engine so that would make this info related for sure.
Adding to it hesitation and stutter under acceleration and it starts to really look like hpfp.
I believe it is located near engine firewall, driver side.
Wipers come out, trim, etc, then tight space for the hpfp.
Let us know what your solution is.
Looks like this is the issue, car threw 2 new codes today and both fuel pressure related. Will Order new one from suncoast and camshaft plug, on to the next Panamera repair....thanks ciaka
Make sure you check the Fuel pump pressure sensor, they can go out first. Someone on here posted a recall notice about premature replace of the pumps that dealers are noticing.
They specifically refer to code P1031 and decreased power.
Make sure you check the Fuel pump pressure sensor, they can go out first. Someone on here posted a recall notice about premature replace of the pumps that dealers are noticing.
They specifically refer to code P1031 and decreased power.
replacing that tomorrow, will post results..thanks
Sorry for the late reply...work killing my free time.
The black plastic hose across the engine banks, with smaller pipe going down into a small T-connector, is in fact a vent line between the engine banks.
That small T-connector is wedged between two sides of a thicker hard to bend hose.
The whole system of these pipes are a part of a vent mechanism for the engine. Here is a pic from the parts catalog.
Thanks.
Originally Posted by stealthn
Ciaka, that “small” line with the T connector doesn’t look like a vent line, do you know what it is?
