i have a dodge ram and it has the check engine light onthe code is an air leak in the fuelsystem it has a new gas cap any suggestions
the second issue is the lamp out light comes and goes it is the passenger side light that dosnt work all of the time but it isnt the bulb

thanks

 

chesck your vaccum lines and replace the bulb anyways. just b/c the filament isnt broken doesnt mean it doesnt work right

 

As far as your first issue with your new cap is it aftermarket?Ttry to tighten it I know that sounds silly but it really is that simple. As far as you bulb issue I had one similar to that it is the small marker light bulb on the upper corner of your light I went through my bulbs like 4 times until till I changed that one and it worked so good luck.

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