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Forum: Performance and Technical Chat 09-28-2019, 07:41 AM
Replies: 1
Views: 643
Posted By Vtx531
OBD2 Calculated Load - Only getting 50-60% at WOT 2-3k RPM

It is my understanding that anytime you mash the gas pedal to the floor at wide open throttle, the calculated load should be near 100%, at all rpms. Is this different on a Porsche? I thought this is...
Forum: Performance and Technical Chat 09-27-2019, 02:16 PM
Replies: 48
Views: 5,283
Posted By Vtx531
The MAF came today. I stuck it in and drove it...

The MAF came today. I stuck it in and drove it around with the scanner.

Everything seems good! I don’t want to declare yet that it is fixed but I think it is. Power is good. Fuel trims are good....
Forum: Performance and Technical Chat 09-26-2019, 04:13 PM
Replies: 48
Views: 5,283
Posted By Vtx531
I looked up scannerdanner and I have seen some of...

I looked up scannerdanner and I have seen some of his videos on other subjects besides fuel trims and maf sensors. Good stuff.

I just watched a very interesting video in which he had a car that...
Forum: Performance and Technical Chat 09-25-2019, 03:29 PM
Replies: 48
Views: 5,283
Posted By Vtx531
Ya, I feel like it is still somewhat of a gamble...

Ya, I feel like it is still somewhat of a gamble - but one that the odds are in my favor. I think the troubleshooting methodology is similar to what a good shop would do, difference being, I can’t...
Forum: Performance and Technical Chat 09-25-2019, 10:16 AM
Replies: 48
Views: 5,283
Posted By Vtx531
I decided to order the Bosch unit instead. Now I...

I decided to order the Bosch unit instead. Now I have to wait a few days for shipping. Hope this works.
Forum: Performance and Technical Chat 09-24-2019, 09:47 AM
Replies: 48
Views: 5,283
Posted By Vtx531
I ordered a Delphi unit from local napa for $100....

I ordered a Delphi unit from local napa for $100. It was the only one they had in stock. I would prefer Bosch but at least I can try this and see if it fixes the problem. I will be reporting back...
Forum: Performance and Technical Chat 09-24-2019, 05:41 AM
Replies: 48
Views: 5,283
Posted By Vtx531
Well here is this morning’s tinkering... I...

Well here is this morning’s tinkering...

I took out the MAF and cleaned it. Reinstalled it and reset the ecu. Short term fuel trims were pegging at +25%. I am guessing that is the maximum it can...
Forum: Performance and Technical Chat 09-23-2019, 04:03 PM
Replies: 48
Views: 5,283
Posted By Vtx531
Now I got P0102 code. Is that just from having...

Now I got P0102 code. Is that just from having the sensor disconnected on and off while testing?
Forum: Performance and Technical Chat 09-23-2019, 02:22 PM
Replies: 48
Views: 5,283
Posted By Vtx531
I drove around with the MAF disconnected while...

I drove around with the MAF disconnected while monitoring the live data.

It seemed to run better with MAF disconnected. The short trims were going negative 20’s under acceleration and trying to...
Forum: Performance and Technical Chat 09-23-2019, 01:53 PM
Replies: 48
Views: 5,283
Posted By Vtx531
Fuel pressure test: Key on ignition: 42-46...

Fuel pressure test:

Key on ignition: 42-46 psi. Out of spec. Manual says between 52-58

Idling: 47 psi. In spec. Manual says 46-52psi

When revved in neutral throughout the rpm range the...
Forum: Performance and Technical Chat 09-23-2019, 12:06 PM
Replies: 48
Views: 5,283
Posted By Vtx531
Not solved!!! :( I took it out for a drive...

Not solved!!! :(

I took it out for a drive and could barely make it around the neighborhood. When giving it gas, the short term trims were pegged at +25% and eventually the long term trims settled...
Forum: Performance and Technical Chat 09-23-2019, 11:18 AM
Replies: 48
Views: 5,283
Posted By Vtx531
I did not, but I removed the pipe between the MAF...

I did not, but I removed the pipe between the MAF and throttle body and introduced the smoke at the throttle body.

****I think (hoping) the problem is solved****

I disconnected the battery for...
Forum: Performance and Technical Chat 09-23-2019, 08:30 AM
Replies: 48
Views: 5,283
Posted By Vtx531
I checked vacuum from the brake booster hose. It...

I checked vacuum from the brake booster hose. It was slowly waving up and down between 17.5-18”. Is that acceptable? I did another smoke test and couldn’t find anything.

I unplugged the MAF,...
Forum: Performance and Technical Chat 09-23-2019, 06:07 AM
Replies: 48
Views: 5,283
Posted By Vtx531
I scanned it with live data at idle....

I scanned it with live data at idle. Unfortunately my free software doesn’t graph the data. Any suggestions for software for Porsche?

858 rpm
Load 3.5%
Advance timing +8 degrees
Closed loop...
Forum: Performance and Technical Chat 09-23-2019, 04:42 AM
Replies: 48
Views: 5,283
Posted By Vtx531
I did not recalibrate the throttle. How do I do...

I did not recalibrate the throttle. How do I do that?

After replacing the AOS I just cleared the codes. Then it idled extremely poorly for about 60 seconds and then smoothed out.

Is there a...
Forum: Performance and Technical Chat 09-22-2019, 08:04 PM
Replies: 48
Views: 5,283
Posted By Vtx531
2001 100,000 miles

2001 100,000 miles
Forum: Performance and Technical Chat 09-22-2019, 07:37 PM
Replies: 48
Views: 5,283
Posted By Vtx531
Replaced AOS with genuine Porsche unit. CEL is...

Replaced AOS with genuine Porsche unit. CEL is back P1126 P1133. Maybe another smoke test is in order but it seems like it is cutting out and hesitating when under load and snapshot showed CEL...
Forum: Performance and Technical Chat 09-22-2019, 07:21 PM
Replies: 14
Views: 1,426
Posted By Vtx531
Okay thank you

Okay thank you
Forum: Boxster and Cayman Parts for Sale or Wanted 09-22-2019, 05:35 AM
Replies: 229
Views: 31,025
Posted By Vtx531
Lower vent hose that attaches to the AOS to fit...

Lower vent hose that attaches to the AOS to fit 2001 2.7?
Forum: Performance and Technical Chat 09-22-2019, 04:36 AM
Replies: 14
Views: 1,426
Posted By Vtx531
I would imagine it weighs less but I never had a...

I would imagine it weighs less but I never had a stock exhaust to compare to. It does look a lot smaller compared to pics I’ve seen. I also don’t like the dual tube tips if you mean how there is a...
Forum: Performance and Technical Chat 09-21-2019, 07:01 PM
Replies: 14
Views: 1,426
Posted By Vtx531
One thing that I dont like and need to look into...

One thing that I dont like and need to look into - the tips contact the metal protector lip on the bumper. Maybe there is some adjustment I need to figure out.
Forum: Performance and Technical Chat 09-21-2019, 06:59 PM
Replies: 14
Views: 1,426
Posted By Vtx531
The Boxster I just bought last month has this...

The Boxster I just bought last month has this exhaust. It does drone quite a bit. I would not want to go on long drives. I just use it as a weekend car for around town so I am okay with it. Sounds...
Forum: Performance and Technical Chat 09-21-2019, 06:53 PM
Replies: 5
Views: 1,174
Posted By Vtx531
I had to reuse the clamp from the Uro Parts AOS...

I had to reuse the clamp from the Uro Parts AOS because the hose clamp (the the PO put on) was too wide. I was able to open up the spring clamp with pliers and put a ziptie on to keep it sprung open....
Forum: Performance and Technical Chat 09-18-2019, 08:56 AM
Replies: 5
Views: 1,174
Posted By Vtx531
Yes, using a screw clamp. The boot was all...

Yes, using a screw clamp. The boot was all deformed though. Like cheap vinyl/rubber not good quality from Uro Parts. I had it on good but the boot was so out of shape so I think it came off because...
Forum: Boxster and Cayman Parts for Sale or Wanted 09-18-2019, 06:29 AM
Replies: 51
Views: 4,904
Posted By Vtx531
Lower vent hose that goes into the air oil...

Lower vent hose that goes into the air oil separator?
Showing results 26 to 50 of 69

 
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