31 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHHelp car stalled & won't start
Reported or suspected cause
crank sensor
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
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Leading evidence: 'crank sensor' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'crank sensor' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Check air leaks at the throttle body and anything' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Check for air leaks at the throttle body and anything that might have been disconnected during CAI install
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.
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Suggestion · Original poster
Just got a obd2 code reader at advance auto (actron) When I get home later today I'll check for codes.
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.
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Suggestion
Get the ecu codes checked, there might be a problem, even when the cel is not on
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.
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Suggestion
Check for air leaks at the throttle body and anything that might have been disconnected during CAI install
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
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Generation: 20261026T220748Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
My 99 Porsche stalled coming into my development today & won't start back up. Fuel pump seems to be working when key is on. I did install a new cold air intake about a month ago. I seen no lights come on. It just shut right off. When I try & start it runs for a second & shuts off. Any thoughts? Thanks Mike
How much fuel in the tank?
Check for air leaks at the throttle body and anything that might have been disconnected during CAI install
Does the ign key feel "normal"
IE: turns freely no binding, springs back from "start" position, pulls out of slot when in off position easily etc..
1/4 tank gas gage said. I did add a half gallon gas from my Lawnmower can. The key feels normal. No lights came on that I seen. It just shut off. It tries to start for about a second and shuts off.
I didn't hear anything when it shut down. I thought it was still running when I was turning into my street. The steering got hard. That's when I new it stalled.
if the engine sounds ok and you recently added gas
you might have 'bad gas'
I had it in my car. the car would have to sit over night then after like 10 attempt of stumbling engine, wait like 10 minute in between each start... tell me about it...
then the car would run just fine.
Add some techron in your tank. if you can bleed the tank but it is a pain to do, I think only way it to remove the tank opening in the front trunk
may be you can top the tank with reputable source gas, but then if it doesn't work that will be just more gas to dump
Try to push the throttle full open and start. By doing this, ecu will stop the injectors and try to clear the flood.
It seem's thou, that you have no spark.
Get the ecu codes checked, there might be a problem, even when the cel is not on
hope the fuel you added was 93 octane although one would think half a gallon added to already good gas would be ok. Did you add the lawn mower gas BEFORE or after it started to cut out on you? There is usually grass clippings around thed neck of a lawn mower gas can. Or you may have ran the tank very low and disturbed some **** in the tank which found its way to the carb. Especially with it being a high milage vehicle. There may be some crap in there moreso than a lower milage vehicle. Just a thought.
I concur. Pull a spark plug wire, check to see if you have spark.
Someone suggested that this is a high mileage car. How do we know that? If it is and you do have spark, maybe the distributor is worn, or the crank sensor is bad.
I agree it sounds like an electrical issue. What's it like when you try to start it? Any noise? Can you hear the starter trying to turn things over and it just doesn't?
PS-We don't have distributors.
I had a VERY simular condition recently. The re-juv valve was sticking open and putting a vaccum on the fuel tank. take off the fuel cap, try to start and see what you get. It may toss you a CEL.
When it first stalled. It did try to start for about a second. So I added about 1/2 gal. Of Lawnmower gas. Last night I added 2 more gallons of gas & no start. I did notice the antifreeze was 2 cups low in the overflow. I added Porsche antifreeze. Now it just turns over only. It has 86k miles on it.
There is a TSB about the fact that the gauge is incapable of reading accurately below the 20l mark. In other words, if you add less than 20l, the gauge won't even register the difference. I would get a 5 gallon can of 93 octane and add it to your car. That way you know for sure that it is not a fuel-level issue.
+1 on the idea of leaving the fuel cap off and trying to start the car. If the evap valve or canister have failed, this should help.
