Car is duel fuel. It starts OK and runs good too on LPG and Petrol as long I do not put the foot down around above 2500 RPM. I have taken to auto gearbox shop they could not find any fault. I have taken to workshop they shaking there head as well. One suggested could be blocked exust cat. I have taken to exust shop and its all good. Car have done only 170,000km. I have replace spark plugs and leads but no difference. Engine runs little bit batter on LPG. Please help Thanks

Harmonic balancer.

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Sorry not explaining properly. Not shaking, sound like chocking for fuel or some sensor not responding or could be coil pack. Not suer. Thanks for the quick reply Guys

Coil Pack...

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Hi Guys
Today I purchased a new coil pack from ford and after some struggle I manage to install it.
Start the car up still the same problem. I reset the computer and gone through the procedure to reset Throttle Position Sensor
. And idle as well. But still no luck. Then I taken the plug of the Throttle Position Sensor
. It works but still no power, when I put the foot down. How can I test the Throttle Position Sensor,
to make suer this is faults?
Now I have change the TPS as well. Still no good.
How to read fault codes and any body got a list of codes?
Thanks