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post #11 of (permalink) Old 15th January 2012
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Re: Megane 1.5 dci Check Injection Fault Code P0670

The po670 code on your 1.5 dci refers to glow plug module. (control circuit) The glow plugs on this model are individually fed from glow plug module and the ecu controls the glow plug module. Terminals 8 & 9 on glow plug module go to ecu pin no's cf2 & cd3 needs to be checked Resistance on glow plugs 0.6 ohms. To check glow plugs without removing with a 12v test light remove electrical plug connect testlight
earth to glow plug & positive side to battery pos if test light glows you know thenthat glow plug hasn't gone open circuit if the heater element was faulty within plug light would not glowHth Regards mickeybo
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