Mitsubishi Lancer 2005 with 4g13 engine. 1 ingnition coil arcs with the engine case when running on CNG. Runs ok on Gasoline what can be the cause?

SOURCE: location of fuel filter for 2005 Mitsubishi Lancer 1.8 litre

a guess... fuel filter should be up against subframe behind rear wheel in front of fuel tank...follow fuel lines down frame rail from motor to back end to find it.... good luck

SOURCE: 98 Ford Contour CNG does not switch to CNG, stays on gasoline

The older CNG Contours are prone to "compuvalve" failure. The compuvalve is the system that injects natural gas into the engine instead of gasoline. If the unit dies, your CNG light will not come on, and the car will default to gasoline.

You could check and see if the CNG fuses are blown. They are located on the driver side strut tower brace, between the strut tower and the power brake booster.

The fuses are covered with a black rubber boot, that is secured with a small black ziptie. Cut the ziptie and you shoud find 2 fuses. These are the fuses for the CNG system and compuvalve.

steve morris

• 1675 Answers
• Posted on Feb 19, 2010

SOURCE: Where is the MAF located on my mitsubishi lancer

hi follow the air filter from the filter box, go towards the engine you should find a rubber type flexi hose, then a hard plastic part with a wire on it that is the maf...hope that helps

SOURCE: can't seem to find the manual transmission gear

I hate to point out the obvious - but are you sure it is a 4g13 engine? That is mitsubishi's 1.3l engine. Your profile has no info saying what country you are from - but I think all 2005 mitsubish lancer engines will be >1.3L
There is a 4g93 1.8l dohc engine.

SOURCE: i have a 2000 lancer ck2 engine or 4G13 1.3, my

there's a regulator which adjusts the car rpm when ac is on
or it could be a vacuum hose check hoses