80 Series surges on petrol, fine on gas.

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obie620
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Joined: November 29th, 2011, 1:18 pm

80 Series surges on petrol, fine on gas.

Unread post by obie620 » September 3rd, 2014, 1:02 pm

Hi all, I own a 1990 80 series, 3f-e on LPG/Petrol.
It has just developed a surging problem when it runs on petrol. Runs fine for the first couple of minutes, then starts to surge and lose power. This problem disappears when I switch back to gas. I have done some research and it points to a faulty TPS (Throttle position Sensor).
Has anyone out there had a similar problem ?
Any suggestions for a solution before I invest in a new TPS ?

Thanks in advance, Obie.

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