So I drove my 325e to a muffler shop for them to take a look at the exhaust leak present in my downpipe. It was too close to closing time and they said to come back on Monday, which is fine.
But then my car wouldn't crank over. Starter motor tried its hardest, but it wouldn't start. Brand new battery. Got the shop to jump me, idled it for a minute, and drove it back to my apartment as quickly as I could.
The idle was high at like 1100 rpm (which I've had trouble with before) the entire time, and I had basically no torque at all. Near the end, I noticed my tach would just blink out to 0 rpm even though the engine was still running and then cut back in.
Get it home and it starts knocking. Get out my DMM and the battery at the terminals with the car running was at 10.5 volts. Balls.
Turn the car off and shut the windows/sunroof, pulled the battery, and plopped it on the trickle charger. Held a full charge on it for a bit, so the battery is still good. Put it back in, wait for the awful ICM to learn how to idle again after 5 cranks, and measure the terminals again. 13.6 volts. Lights on, radio on, blower on, 1500 rpm, read 13.45 volts. Huh...
Take it for a gentle spin around the block, and it starts idling high again. 1100 rpm. Park back at home, measure battery, 11.5 volts...
Do I need a new alternator? Voltage regulator brushes? I may as well throw a new alternator in there. This one looks like it came with the car.
Thoughts?
But then my car wouldn't crank over. Starter motor tried its hardest, but it wouldn't start. Brand new battery. Got the shop to jump me, idled it for a minute, and drove it back to my apartment as quickly as I could.
The idle was high at like 1100 rpm (which I've had trouble with before) the entire time, and I had basically no torque at all. Near the end, I noticed my tach would just blink out to 0 rpm even though the engine was still running and then cut back in.
Get it home and it starts knocking. Get out my DMM and the battery at the terminals with the car running was at 10.5 volts. Balls.
Turn the car off and shut the windows/sunroof, pulled the battery, and plopped it on the trickle charger. Held a full charge on it for a bit, so the battery is still good. Put it back in, wait for the awful ICM to learn how to idle again after 5 cranks, and measure the terminals again. 13.6 volts. Lights on, radio on, blower on, 1500 rpm, read 13.45 volts. Huh...
Take it for a gentle spin around the block, and it starts idling high again. 1100 rpm. Park back at home, measure battery, 11.5 volts...
Do I need a new alternator? Voltage regulator brushes? I may as well throw a new alternator in there. This one looks like it came with the car.
Thoughts?
Comment