ectrans01 Posted March 25, 2011 Share Posted March 25, 2011 im in an 01vision. Every now and then the lightning bolt comes on and somtimes it will go off, other times it stays on. I did the diagnosis through the cruise and it flashes 6-1. Any help would be great. Quote Link to comment https://www.bigmacktrucks.com/topic/18470-lightning-bolt-comes-on-and-goes-off-periodically/ Share on other sites More sharing options...
Mackpro Posted March 25, 2011 Share Posted March 25, 2011 im in an 01vision. Every now and then the lightning bolt comes on and somtimes it will go off, other times it stays on. I did the diagnosis through the cruise and it flashes 6-1. Any help would be great.Fuel tank sending unit is a 6-1 code. Quote Link to comment https://www.bigmacktrucks.com/topic/18470-lightning-bolt-comes-on-and-goes-off-periodically/#findComment-74927 Share on other sites More sharing options...
ectrans01 Posted March 26, 2011 Author Share Posted March 26, 2011 That makes sense because my fuel gage just quit workin. Thank you! Quote Link to comment https://www.bigmacktrucks.com/topic/18470-lightning-bolt-comes-on-and-goes-off-periodically/#findComment-74948 Share on other sites More sharing options...
Mackpro Posted March 26, 2011 Share Posted March 26, 2011 That makes sense because my fuel gage just quit workin. Thank you!Hopefully its just the sending unit. Sometimes times its the wiring but not often. The wires go from the sending unit in the tank to the cab ECM. If something is wrong with the dash guage or dash cluster it wont set a code so its probably just the sending unit. Quote Link to comment https://www.bigmacktrucks.com/topic/18470-lightning-bolt-comes-on-and-goes-off-periodically/#findComment-74954 Share on other sites More sharing options...
jewels Posted April 23, 2011 Share Posted April 23, 2011 Low coolant or sending unit. Quote Link to comment https://www.bigmacktrucks.com/topic/18470-lightning-bolt-comes-on-and-goes-off-periodically/#findComment-76529 Share on other sites More sharing options...
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