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Discussion summary
YOUR RESEARCHCar cranks too long before starting
Leading reported evidence
Replace battery last year
Suggestion or failed attempt
No successful repair reported for this finding.
0
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0
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1
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Leading evidence: 'Replace battery last year' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace battery last year' (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
Hook up a fuel pressure gauge and test fuel pressure , then shut down engine and monitor gauge, if the pressure drops in a matter of minutes, this will cause long crank times on restart.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
Hook up a fuel pressure gauge and test fuel pressure , then shut down engine and monitor gauge, if the pressure drops in a matter of minutes, this will cause long crank times on restart.
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7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
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I've noticed the last couple of days that car doesn't start on the 1st trial.
It now takes 2 or 3 trials for it to start.
I did change the battery last year.
Any thoughts to why it won't start on 1st trial?
The engine cranks but only starts after 2 or 3 tries, any thoughts are appreciated.
Does it feel like it drops in voltage when attempting to start?
Some have reported crank angle sensor issues causing start problems
Could be:
- Electrical (battery, starter, starter cable) usually heat related
- Mechanical
Thanks for the info, voltage seems to be at 10v when cranking, this is what I see on the gauge on the dash. Will bring the car in to be looked at as well.
Battery at 10V is first suspect. A bad Y-cable is second suspect. Check voltage drop at battery and jumper point in engine bay, then drop between jumper point and starter. A weak CPS could be another suspect, but usually results in a complete no start.
Also , if you have good crank speed, but have long crank times , consider fuel pressure could be an issue.
On 996.1 that has a fuel return system, there are two check valves, one in fuel pump and one in fuel pressure regulator. If the check valves do not hold the fuel pressure for at least an hour after engine is shut down, it can cause bubbles to form in the fuel rail at the injectors, causing long crank times on re-start.
On 996.2 with the returnless system , the check valves/regulator are all inside the fuel tank, but it still needs to maintain fuel pressure for at least an hour after shut down to keep bubbles from forming in the fuel rails.
Hook up a fuel pressure gauge and test fuel pressure , then shut down engine and monitor gauge, if the pressure drops in a matter of minutes, this will cause long crank times on restart.
