Skip the auto shop - Our mechanics make house calls

Q: My car has a duel fuel system and it sometimes runs rough

asked by on

my bf falcon is duel fuel after maket gas injection kit was in staled in 2010 has recently been playing up it starts on fuel warms up then automacticly flicks to gas runs fine but on a long trip every now and then it will light up as if its running petrol as well as gas at the same time when this happens lose power car runs rough what would be causing this ?

My car has 348654 miles.
My car has an automatic transmission.

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: What type of gasoline should I use?

Like most other passenger cars on the market, yours is designed to work with a specific range of fuel types. It’s rated for a minimum of 87 octane unleaded gasoline, which can be purchased at most gas stations in the...

Q: Knocking Sound Run Roughly Dark Transmission Fluid and Dark Engine Oil

I am not sure how many miles your transmission has on it. I would say replace the transmission fluid but if its been more that 150,000-200,000 miles you may have to have a rebuild done on your transmission if you...

Q: Truck shutting off when idling.

The cylinder heads on this engine are aluminum and are known to warp if the engine has been over heated or the cooling system was compromised or the head gasket fails. This would let coolant to possibly get into one...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.