Questions & Answers for: Buick propane engine problems Computers & Internet

...engine would run although poorly. Have replaced mass air flow sensor. Is it possible iacvalve could be defective? Have replaced iac valve twice.Beleive I have a lean condition because either or ...

...propane torch(be sure to get the plug wires out of the way). Be prepared for fire coming from the plug holes, burn off all that gas from the plugs and from inside the holes. At this point you ...

...propane torch (DO NOT light it) and turn it on until the gas just kind of trickles out. Next, run the end of the torch around the hard to find, suspected vacuum leaks. If one should show up, you'll ...

engine idling, gently open the Propane torch valve, "cracked" open just enough to be able to smell the Propane [DO NOT IGNITE/light the Propane, we only want a VERY small amount of gas, but NO FLAME!!

...propane torch to heat the tip portion to clean them off, letting them cool, and putting them back in the same location where they came from. You may be using cheap gas which tends to foul O2 sensors ...