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'69 1500 Jerky under Throttle

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eplatypus Learner Dubber

5 posts · joined Dec 2008 ·

#767136
My 1500 Beetle is jerking under throttle. It idles fine and under engine braking, all is good too. When I accelerate though, it's jerking back repeatedly. It's more noticeable lower in the rev range but it's also there if I accelerate hard too. I'm going to try and take it down the mechanic tomorrow, but any ideas?

Cheers

Thinker Seriously Crusin Dubber

162 posts · joined Oct 2008 ·

#767158
my 1500 is doing that at the moment and lacking in power down low once up and running its fine.

your motor may being doing it for different reasons but a compression test will tell you.

i tested mine last weekend and i have lost 75% compression in no 3 so at low RPM it get the wobbles.

good luck
1970 bug /1500 stock as a rock.
1976 standard bug ready to be modified 😁😁😁😁😁

greedy53 Bishop of Volkswagenism

3,062 posts · joined Mar 2006 ·

#767169
could be 1 of 2 things
1 the vacume on dizzy is shot
2 accelloor fuel pump is shot
3 check points
👍👍😂🙅🥷😬🤓

eplatypus Learner Dubber

5 posts · joined Dec 2008 ·

#768937
FINALLY get back here with an update. 'Twas the spark plugs needing replacing, completely fouled up. All changed and all good now.

Ta for the replies, much appreciated.