General yellow bulb warning light on dash

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General yellow bulb warning light on dash

xnatty19x

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Jul 5, 2008
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whats the yellow warning light on the dashboard only comes on when revving doesnt come on when startting up
 
When revving!?

If it's this one then your car's trying to tell you a bulb has gone.
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Does it only happen when your lights are on? In that case you might have a dodgy connection somewhere, or it could maybe even be your battery/alternator.
 
Hi,

Is it shaped like an engine by any chance? In which case its your engines on board diagnostics system telling you that there is a problem. As its is happening when revving, i would guess at a slight misfire being detected, but if you want to be 100% then have your car plugged in to a diagnostics machine and it will soon tell you what the problem is.

Hope that helps,
Alan
 
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....oh and i assume this has happened after the timing belt change mentioned in your other thread?? In which case they may have knocked the wiring for the crank sensor or the belt is a tooth out etc.... In which case, let them sort it, they should have the diagnostics equipment needed to read the fault codes too.

Alan
 
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