Car doesn't start when cold

Asked by jmartinez970 Dec 04, 2020 at 05:05 PM about the 2009 Audi A4 2.0T quattro Cabriolet AWD

Question type: Maintenance & Repair

I have a 2009 Audi A4 Cabriolet 2.0T Quattro and recently in the past 2 weeks I have had to jump start my car every morning in the cold weather as I live in the Colorado mountains and it gets freezing up here. I have already had my battery, alternator, and starter looked at and all is great shape. I have no idea what it might be maybe a relay? has anyone ever experienced this before?

2 Answers
3,370

Justin answered 4 years ago

If battery alternator and starter all test good, take a multimeter that's capable of measuring milliamps and disconnect negative cable. Use multimeter to complete circuit. Anything over 50 ma is considered a parasitic drain. From there you can pull fuses one at a time to track down the problem circuit (s)

Mark helpful
40,075

beatupchevy answered 4 years ago

wait 30 minutes for any timers to run out for an accurate reading , or do more research for parasitic drain .

Mark helpful

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