ronniewalker45 Posted February 8, 2017 Share Posted February 8, 2017 Ch 613 etech Lightning bolt on dash is flashing 3-4 code???? Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/ Share on other sites More sharing options...
tjc transport Posted February 8, 2017 Share Posted February 8, 2017 3-4 is for engine position sensor. the link in the 4th post should help explain it: https://www.bigmacktrucks.com/topic/23108-electronic-malfunction-codes-3-2-and-3-4-on-2000-e7300/ Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361114 Share on other sites More sharing options...
ronniewalker45 Posted February 8, 2017 Author Share Posted February 8, 2017 Thank you!! Also can you tell me what makes this sensor go out Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361122 Share on other sites More sharing options...
megatron Posted February 8, 2017 Share Posted February 8, 2017 Is it first time happening or have same problem before? Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361123 Share on other sites More sharing options...
Mackpro Posted February 8, 2017 Share Posted February 8, 2017 Those sensors do just go bad over many years. Replace it and make sure you use the same shims as the old one. We used to add an extra .015 " shim on the older trucks due to camshaft endplay. If problem still happens and its causes a miss/vibration and you have a older ETECH and with the small vibration damper, We in the past have installed the bigger damper and it solved the issue. But first I'd just replace the sensor. Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361134 Share on other sites More sharing options...
Mackpro Posted February 8, 2017 Share Posted February 8, 2017 3-4 Code ETECH ASET.pdf Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361135 Share on other sites More sharing options...
ronniewalker45 Posted February 8, 2017 Author Share Posted February 8, 2017 Went to change the sensor and found the plug lock was broken and was not plugged in all the way!!! I really do appreciate everyone who replied!!! Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361140 Share on other sites More sharing options...
tjc transport Posted February 8, 2017 Share Posted February 8, 2017 it is always good when it is a simple fix like that. what i do when i find broken tab locks is use a ziptie to hold them tight. Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361142 Share on other sites More sharing options...
ronniewalker45 Posted February 8, 2017 Author Share Posted February 8, 2017 That is exactly what I did!! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-361149 Share on other sites More sharing options...
Larrychap Posted July 6, 2019 Share Posted July 6, 2019 Will they stop the truck from starting Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-427106 Share on other sites More sharing options...
JoeH Posted July 6, 2019 Share Posted July 6, 2019 The 01 etech 400 I had had to crank longer than usual to start because it had a camshaft sensor fault code Quote Link to comment https://www.bigmacktrucks.com/topic/48667-lightning-bolt-code-3-4/#findComment-427121 Share on other sites More sharing options...
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