Chrysler 300C Forum: 300C & SRT8 Forums - View Single Post - Limp mode: EGR P0403 and P0401 both intermittent
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post #3 of (permalink) Old 02-11-2019, 09:41 AM Thread Starter
Armchair
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Quote:
Originally Posted by devilmaycare View Post
How did you test the glowplug? A good plug will have a resistance of about 0.5 ohm. If the plug is OK, then maybe the connector or wiring may be the culprit, or possibly the glowplug module. However, a single glowplug failure wouldn't contribute anything to your other problems.
Thanks. I checked for zero voltage drop through the plug while in situ but have since realised that it isn't a particularly reliable test. The only way I thought it could be related is if there was an issue with wiring. To be honest, it isn't my main concern at the moment.
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