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Search took 0.02 seconds. Search: Posts Made By: Lacostas
Forum: Boxster General Discussions 08-27-2025, 05:14 AM
Replies: 2
Views: 675
Posted By Lacostas
Exclamation [AOS] Did i just break the crankcase ??!

So i was replacing the AOS on my recently reman 986 Boxster 2.7 2004, and when i wiggled and removed the AOS successfully, i see the crankcase casting looking like its broken (chipped) and iim...
Forum: Boxster General Discussions 08-25-2025, 12:31 PM
Replies: 9
Views: 677
Posted By Lacostas
As a first step its good to replace both DME...

As a first step its good to replace both DME relays (in trunk) and see if it helps. Cost me like 7 EUR each. Then maybe try to measure the voltage on those relays and check where the drop happens and...
Forum: Boxster General Discussions 08-25-2025, 12:26 PM
Replies: 9
Views: 677
Posted By Lacostas
Thanks for the input - already tested the ground...

Thanks for the input - already tested the ground (i used jumper from ECU ground to battery ground and the voltage was still much lower than the battery).

Im thinking to somehow do the quick-dirty...
Forum: Boxster General Discussions 08-24-2025, 06:18 AM
Replies: 9
Views: 677
Posted By Lacostas
Yeap im using my multimeter for this. Initially i...

Yeap im using my multimeter for this. Initially i found the problem using my iCarSoft reader and now testing with multimeter and the results are pretty much the same.

For now its "Acceptable" but...
Forum: Boxster General Discussions 08-23-2025, 03:55 PM
Replies: 9
Views: 677
Posted By Lacostas
I checked the voltage on both the DME relays (Pin...

I checked the voltage on both the DME relays (Pin #30) and both were showing around 0.3V lower voltage than the battery.

Also measured the C1 fuse voltage and it was the same as the battery. So i...
Forum: Boxster General Discussions 08-23-2025, 12:46 PM
Replies: 12
Views: 663
Posted By Lacostas
Does it have any CEL or pending codes? Not sure...

Does it have any CEL or pending codes? Not sure if a standard obd2 reader shows all the codes so maybe try to find an iCarSoft Por or relevant good reader ?

Since you already tested it without...
Forum: Boxster General Discussions 08-19-2025, 01:02 PM
Replies: 9
Views: 677
Posted By Lacostas
Yes but the voltage is always lower in the DME....

Yes but the voltage is always lower in the DME. Plus when i activate AC for example, the DME Voltage almost stays intact but it shoudlnt (afaik).

1. Alternator and VR are new.
2. Battery is 2 y.o...
Forum: Boxster General Discussions 08-19-2025, 10:51 AM
Replies: 9
Views: 677
Posted By Lacostas
DME Voltage Drop

Hey All,

So ive been trying to identify why my DME "Supply Voltage" reads around 13ish Volts but the voltage on battery is around 14.3, on my 2004 986 2.7 M96.23

some symptoms:
- Random...
Forum: Boxster General Discussions 04-16-2025, 09:09 AM
Replies: 6
Views: 513
Posted By Lacostas
true.. What's the next thing to check ? Maybe the...

true.. What's the next thing to check ? Maybe the Regulator cant "see" the correct voltage of the system due to a bad ground ?

1. Bad starter ground, even though car starts perfectly fine
2. Bad...
Forum: Boxster General Discussions 04-15-2025, 05:47 PM
Replies: 6
Views: 513
Posted By Lacostas
Bosch Voltage Regulator is brand new. Any chance...

Bosch Voltage Regulator is brand new. Any chance this is being caused by the alternator somehow ? Or by a bad ground somewhere ? Im running out of options :confused:
Forum: Boxster General Discussions 04-15-2025, 09:36 AM
Replies: 6
Views: 513
Posted By Lacostas
Overvoltage when throttle

Hey all!

Everytime i press the gas pedal from idle in my 986 2.7 M96.23 , i see that the voltage spikes and sometimes goes over 14.8 even 14.96V.

Throttle body is new, VR is new and i just...
Forum: Boxster General Discussions 01-28-2025, 03:40 PM
Replies: 3
Views: 429
Posted By Lacostas
Thanks for the input. The voltage is at 17V even...

Thanks for the input. The voltage is at 17V even with the engine off (igntion on) so i assume the alternator doesnt affect it much ?

Im leaning towards faulty ECU or faulty TPS (?) but not sure...
Forum: Boxster General Discussions 01-28-2025, 01:40 PM
Replies: 3
Views: 429
Posted By Lacostas
Exclamation TPS Sensor Voltage 17V

Hey all!

Been trying to track an annoying electrical issue on my 2.7 M9623 (2004) that has been nagging me for at least a year. Bought an iCarSoft POR 3.0 and here are the results:



No...
Forum: Boxster General Discussions 08-11-2024, 08:32 AM
Replies: 8
Views: 838
Posted By Lacostas
Thanks for the input but im in EU. I guess ill...

Thanks for the input but im in EU. I guess ill most probably buy the used camshaft even if it has these black spots on the lobe
Forum: Boxster General Discussions 08-06-2024, 10:14 AM
Replies: 8
Views: 838
Posted By Lacostas
for example i found this one on eBay...

for example i found this one on eBay...
Forum: Boxster General Discussions 08-04-2024, 12:36 PM
Replies: 8
Views: 838
Posted By Lacostas
Yeap i know It’s a damaged cam afterall but is...

Yeap i know It’s a damaged cam afterall but is the tiny spot in the red circle the main problem?

Cause I have found few used camshafts on eBay and almost all of them have that kind of dark spot...
Forum: Boxster General Discussions 08-03-2024, 11:09 AM
Replies: 8
Views: 838
Posted By Lacostas
Yeah i get that part, its bad, but why he...

Yeah i get that part, its bad, but why he insisted and pointed his finger at that little disoloration ?! That was the main "issue" and its a bit weird.
Forum: Boxster General Discussions 08-03-2024, 07:21 AM
Replies: 8
Views: 838
Posted By Lacostas
Help! Dealer claims camshaft is bad and needs replacement

Hello Folks :cheers:

Unfortunately my engine (Box 2.7 2004) needs repair since cyl 4 lost compression due to a broken lifter spring/broken valve...

The dealer quoted me a whooping $13500...
Forum: Boxster General Discussions 06-14-2024, 06:42 AM
Replies: 0
Views: 434
Posted By Lacostas
ZERO Compression on Cyl 4 & Misifires

Hey folks,

Long story short i got stranded with multiple misfires and upon inspection seems like cylinder 4 has zero compression. Misfires on cyl 4,5,6 and 2 (small ones).

Im afraid that the...
Forum: Boxster General Discussions 06-06-2024, 04:52 AM
Replies: 7
Views: 695
Posted By Lacostas
Okay so the pump doesn’t start at all. I have...

Okay so the pump doesn’t start at all. I have located the relay, not sure if it’s broken or not. I’ll search the island if I can find it here in an auto parts but I doubt it(?) so I may end up...
Forum: Boxster General Discussions 06-05-2024, 03:42 PM
Replies: 7
Views: 695
Posted By Lacostas
Got it, thanks. Maybe i could rule out the SAI...

Got it, thanks. Maybe i could rule out the SAI pump if i start the car (once dead cold) and listen if the Pump starts whining. If not, i could assume that its a faulty SAI Pump ?

Im a bit worried...
Forum: Boxster General Discussions 06-05-2024, 03:14 PM
Replies: 7
Views: 695
Posted By Lacostas
Thanks, do you have any idea which one i can...

Thanks, do you have any idea which one i can start checking first ? Maybe it would be better/easier/faster (but more expensive) to get a new SAI Pump and check if that is the case?
Or even get the...
Forum: Boxster General Discussions 06-05-2024, 01:34 PM
Replies: 7
Views: 695
Posted By Lacostas
Exclamation P0491/2 + Misfires Problem

Hey folks, long time no see.

So ive done my research so far for my sudden Misfires: P0306, P0304, P0305,P0302 plus the SAI Codes: P0491,P0492

Ofcourse there is flashing CEL so i stopped...
Forum: Boxster General Discussions 01-13-2024, 07:52 AM
Replies: 4
Views: 976
Posted By Lacostas
Mine does the same and i have 240km on the clock....

Mine does the same and i have 240km on the clock. I like it as it feels more rough.

I would say - dont bother
Forum: Boxster General Discussions 01-13-2024, 07:50 AM
Replies: 4
Views: 685
Posted By Lacostas
UPDATE: I switched oil from 5W-40 to 0W-40 and...

UPDATE: I switched oil from 5W-40 to 0W-40 and then i added 2x of Liqui Moly Hydraulic Lifter Additive.

About 200km later - Noise gone.
Showing results 1 to 25 of 139
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