elvis35
warning light keeps coming on...What are the main causes for this?
VolvoDeger
you need to scan first it could be anything so what area are you in.
Philia_Bear
most common cause is failure to screw the gas cap on correctly causing an evap code
elvis35
Adelaide
elvis35
mechanic scanned andreplaced vac connector and breather kit ...15 min later warning light came back on
elvis35
I replaced the fuel filter from the petrol tank to the fuel filter set up recently and i wonder if this could cause the issue
VolvoDeger
what is the code?
elvis35
came up ignition / fuel system warning
elvis35
symbol indicates that there is a fault in the engine electronic system...detected in the engines fuel or ignition system??????????
VolvoDeger
Just a simple check and make sure the vacuum nipple on the side of the inlet manifold not collapsed or broken, this is very common I am talking about the one at the alternator end of the manifold.
elvis35
cleaned maf sensor and throttle body disconnected the battery then the light stayed off for 36 hours now back on
Ex850R
You got vida and dice?
Check with that.
Cleaning it is good but it may still be toast.
Or O2 sensor/s.
Check codes