Focus Fanatics - View Single Post - Car won't start and DTC dash code says 9318
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Old 09-20-2012, 06:51 PM   #6
DTC P0606
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Join Date: Jul 2007
Fan#: 48751
Location: Vancouver, BC, Canada
What I Drive: 2001 Red ZX3 Turbo

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Originally Posted by Jamsen View Post
is it worth trying to charge or should I replace it?
Isn't going to do any harm trying to trickle charge it. However, your infrequent driving pattern is hard on battery life.

Originally Posted by Jamsen View Post
Could this low voltage stop things like the fuel pump working but still have enough juice to turn the starter?
No. The starter motor will be the single biggest draw on any battery. However if the battery is a known problem, I'd fix the obvious first and then proceed from there.

Originally Posted by Jamsen View Post
Out of intrest what should the voltage of a battery be on a 1.4 focus?
Voltage - approximate charge of a battery (engine off)
12.60 V 100%
12.35 V 75%
12.10 V 50%
11.95 V 25%
11.70 V 0%

When the car is running and the alternator is working properly, you should see 13 - 14.5V as measured at the battery.
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