Hi,

I have an Opel Kadett from 1989 on LPG. Recently it got some problems:

- when I drive at a certain speed (sometimes 100 km/h, sometimes 120 km/h)
it seems not to get enough fuel and the car starts to shock irregularly. In
the past the max speed was 150 km/h and there was no shocking.

- changing from LPG to petrol and back is no longer immediate. There are
now a few seconds without fuel.

Can someone explain to me what could cause this behaviour?

Thanks,

Wim

"Wim Roffal" wrote in message


Hi,

I have an Opel Kadett from 1989 on LPG. Recently it got some problems:

- when I drive at a certain speed (sometimes 100 km/h, sometimes 120 km/h)
it seems not to get enough fuel and the car starts to shock irregularly. In
the past the max speed was 150 km/h and there was no shocking.

- changing from LPG to petrol and back is no longer immediate. There are
now a few seconds without fuel.

Can someone explain to me what could cause this behaviour?

Thanks,

Wim
I'm no expert (others here are) but it sounds like either (in this order
of likelyhood):

Blocked fuel filter in the LPG line
or
Vapouriser clagged up with 'Heavy ends' (The oily stuff left behind as
LPG evaporates)
or
Vapouriser needs service kit
or
Cooling lines to or in vapouriser blocked (although this wouldn't cause
the switchover problem)

That's my two penn'orth.

Adam.
(Red wunz go faster)


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