Starting problem
Starting problem
Recently my car has been having some strange issues starting. If the car is cold and I try to start it, on frequent occasions, the engine will turn over and runs for about a second or two then stalls. If I start it up again right after this, it runs without a problem. I also do not notice this problem if the car has already been driven or warmed up and started. Is this a sign of my starter staring to go bad, or is it an ignition or fueling issue. There are no problems driving the car and no codes coming up.
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Astrosquirrel
- 3rd Gear
- Posts: 274
- Joined: Thu Nov 07, 2013 7:03 pm
Re: Starting problem
Could be the Crank Position Sensor, could be a bad fuel pump, could be a weak battery. Start with the easiest path and scan it for codes.kopow wrote:Recently my car has been having some strange issues starting. If the car is cold and I try to start it, on frequent occasions, the engine will turn over and runs for about a second or two then stalls. If I start it up again right after this, it runs without a problem. I also do not notice this problem if the car has already been driven or warmed up and started. Is this a sign of my starter staring to go bad, or is it an ignition or fueling issue. There are no problems driving the car and no codes coming up.
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Re: Starting problem
I had a similar issue with mine which was a temperature sensor that was always reading as hot. So on a cold start up the car would not be given enough fuel for a cold start.
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Astrosquirrel
- 3rd Gear
- Posts: 274
- Joined: Thu Nov 07, 2013 7:03 pm
Re: Starting problem
Ah good point. Forgot about that one too. A scan would also help diagnosing that one.Mark-RS wrote:I had a similar issue with mine which was a temperature sensor that was always reading as hot. So on a cold start up the car would not be given enough fuel for a cold start.
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Re: Starting problem
Scan won't help if the temp values are not implausible.
Use VCDS to log the temperature of the 2 coolant temperature senders when cold to see what they are reading.
/Also EGT
Use VCDS to log the temperature of the 2 coolant temperature senders when cold to see what they are reading.
/Also EGT
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
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steve2003rs6
- Cruising
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- Joined: Mon Aug 19, 2019 7:43 pm
Re: Starting problem
Hey mark. Yeah this was my problem a few months ago.
Changed the temp sensor and all was good again.
Also as shopp suggested.
Check the temps using VCDS.
My car was cold. But was saying something like 60 degrees IIRC.
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