why does my VW Beetle get bad gas mileage

Asked by May 13, 2014 at 03:34 PM about the 1969 Volkswagen Beetle

Question type: Maintenance & Repair

2 Answers

101,935

How bad is it really? The most common problem is the carb flooding out. Have also seen leaking fuel lines.

10

Have replaced fuel sensor, pulse sensor, fuel filter, oxygen sensor, and it only happens when check engine light comes on. when I turn off the check engine light i get great gas mileage. The codes have been P134, P138 things that have to do with fuel. I do keep the car well maintained but every 1000 miles the check engine light comes on and there goes the gas mileage. Any Ideas????

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