31 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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Discussion summary
YOUR RESEARCHMystery hard start
Reported repair
Replace y cable first
Reported resolution
1
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0
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1
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Reported fix
Luckily I replaced the Y cable first which solved the issue.
Leading evidence: 'Replace y cable first' (1 discussions report resolution; 0 report an unsuccessful attempt). Across 1 matching discussions, The most frequently discussed action is 'Replace y cable first' (1 discussions). For that action, 1 discussions report a resolution and 0 report an unsuccessful attempt. The most frequently reported fix is 'Replace y cable first', supported by resolution reports in 1 discussions. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed · Original poster
My indy swears he checked the starter motor when he upgraded the car to a Godzilla battery, but you never know.
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Performed · outcome unconfirmed · Original poster
I had hoped I'd solved it via a bigger battery, but it's still doing it so I'll be checking my Y cable more closely
Outcome qualification: Negation, uncertainty or missing explicit repair resolution overrides the raw extraction signal.
Fill with gas...and no more hot start issues either
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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Performed · outcome unconfirmed
drove for 45 min and filled with gas...and no more hot start issues either!
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
31 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 1 adjusted by outcome qualification.
1 acknowledgements have no verified action link; they do not establish a repair result.
Outcome without a verified action link
Y-cable did not fix it so may look at the starter next.
The battery is 1 year old and has max cranking amps, while the generator system seems to be working (I'll do the load test thing tonight).
Ok, here's the scenario: my car starts great in the AM or when it's time to head home in the afternoon. It usually almost always starts fine after I stop to get gas or groceries. However, sometimes - not always - when I go to restart, I get a pause, then it fires right up as I am about to reach for the paddles and yelling "Clear!"
Has anyone else experienced this? Any suggestions/cures/voodoo incantations I can try?
Starter motor, ignition switch, Y-cable, clutch switch and cable corrosion come to mind. One of the things I have noticed lately is not pushing down on the clutch pedal far enough when I'm in a hurry. I should bypass that damn thing but it is a safety feature for the forgetful.
My indy swears he checked the starter motor when he upgraded the car to a Godzilla battery, but you never know.
I am suspecting the switch itself or Y cable. I live by the beach, so huge potential for corrosion there.
Thanks for the clutch switch suggestion, too.
I have the same issue. that's how I would describe it exactly. turn key to start, it turns once, then pauses for 2 seconds and then turns over again to finally start the car.
I will be replacing the y cable, the starter and my alternator pulley since the clutch is gone in it. should be done by the end of the weekend. I will report back with my findings.
Does sound like a Y cable issue, Asahi has a write up on how to check it in detail somewhere.
Basically if the voltage differs from the alternator output and the jump post when the car is hot the cable needs to be replaced. Heat is the determining factor if the car is hot the cable gets heat soaked and fails to carry to current to the starter easily.
Starter is kaput. I went with a cheap Amazon starter a year ago; it's still starting like a champ.
I was expecting to have to replace the cable, but the starter seemed easier and I am prone to laziness. No more slow starts when the starter gets heat-soaked!
Mine hard start issue awhile back got diagnosed by an OPC as a worn starter. Luckily I replaced the Y cable first which solved the issue.
Quite difficult to diagnose but ideally you should replace both if possible.
Mine goes in tomorrow for new front tires (they are 7 years old but look brand new) an alignment, new starter (rebuild) and Y cable. Looking forward to getting her back this weekend and hopefully not having this hot start issue anymore.
One thing I regret is not attempting the Y cable replacement myself, I had the OPC do it.
Once the plenum is off it doesn't look impossible to do.
Y-cable isn't bad if you take the box off the end first. Super easy to thread through then snap the box back on. I have a slow cranking engine on a hot restart. Y-cable did not fix it so may look at the starter next.
IMHO do
not
do a starter rebuild. If you are going to have it out for any reason, put in a brand new one. My OE died and I replaced with a Bosch rebuilt starter. Bad idea. Lasted about 12 months and blew the bendix. Replaced with a new Bosch stater and it has been all good for 3 years now. Daily driver and I hit that starter 5-6 times daily. You can get one off Amazon for a fair price. Bosch SR0808N
Completely understand, just booked mine in some minor work with the OPC recently (clutch squeak issue) and having them do a wheel alignment as well because I dont have time to get it done anywhere else during the week.
just picked up the car after getting the reman starter and new y cable put in. also had the alternator pulley replaced as the clutch was done.
Holy smokes! the old starter was definitely on its way out. the thing turns over faster than any of my other cars. drove for 45 min and filled with gas...and no more hot start issues either! Really happy with that.
but, I did a quick 2-3 WOT pull and the battery light quickly flashed at me. it's done this to me a couple of times before and we thought that the fact the alternator clutch pulley was done, that would be the culprit...but no. I'll tripple check the battery cables, belt is new. any other ideas?
What'd it run you? Have the same thing, though even when warm it's sporadic.
If you google 996 slow start the links are very helpful.
https://rennlist.com/forums/996-foru...ml#post8751393
Update: PWB is replacing the battery, the starter, and since they are knee-deep in the engine bay, the Y Cable too. I'm choosing not to think so much about what this will cost as I am about how many Visa points I will be receiving. Most of us have gotten to the point where the upkeep of our cars has way surpassed market value. My mantra is "ilovemycarilovemycarilovemycar"
Porsche West Broward (a Penske dealership) has the car and is going over it inch by inch. Y Cable was found to be in good shape, so the last I heard they were looking at the battery and the starter. They smile when they see the huge Do Not Wash This Car sign I left on the dash (freaking Champion's wash guys swirled the snot out of it years ago and while it's fixed, I remain traumatized)
So far, PWB is treating me right. And of course I'm 1000% behaving with a loaner Macan.
Update: Replaced battery, starter and Y Cable. Delay was in getting parts here from the Motherland. Now the car roars into life. Much happiness. Thank you PWB.
battery seems to always be dead....when fully charged car starts fine....after a 10 or so mile drive, car behaves like a dead or dying battery and wont start...Voltage of battery is fine and it matches at the jump box but car still won't start as if battery is dead. Help
Possible alternator to starter cable, same thing was happening to me because the cable wouldn't let voltage through it the battery wouldn't charge however could also be an alternator issue.
In the morning, when the car is cold, place your hand on the alternator and see if it is warm. If it is, the diodes on the voltage regulator on the backside of the alternator are going bad. You can replace just the voltage regulator on the alternator, but it does require removing the alternator which sometimes can be a PITA. Search the forum for alternator voltage regulator.
I don't think its an alternator issue since I can drive the car without running out of elect juice. Battery seems to stay charged as voltage will read 11+ volts when car won't start reacts like a dead battery just Dead engine is not turning over and just clicking from starter
nd starter clicks
