MPG Gauge not working - E30 316
Moderator: martauto
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daytona
- E30 Zone Newbie
- Posts: 6
- Joined: Fri Mar 11, 2005 11:00 pm
- Location: East Northamptonshire
The "current MPG" gauge has suddenly stopped functioning on my '88 E30 316 (Weber Carb - 1797cc). Does anyone know where the sender unit to feed the gauge is located please? Or is it run by vacuum from the carb? There is a little "valve" with a vacuum pipe going to it and a 2-pin plug, at the centre of the bulkhead. Could that be where the reading is taken from by any chance? Any help will be greatly appreciated thanks
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Si316
- E30 Zone Squatter
- Posts: 1810
- Joined: Mon Jan 10, 2005 11:00 pm
- Location: Cheshire
I think it takes a signal from the original pierberg carb. All the time mines had a weber carb on the guage hasn't worked. unless i am only gettin 15mpg 
lol
lol-
daytona
- E30 Zone Newbie
- Posts: 6
- Joined: Fri Mar 11, 2005 11:00 pm
- Location: East Northamptonshire
Thanks Si, but it was working with the weber carb when I got the car, then all of a sudden it packed up. The needle moves when ignition is switched on, then goes back to 50 MPG+ (I wish!).