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Matt, Engineer
Category: Australia Car
Satisfied Customers: 20389
Experience:  Automotive Engineer for 20 years, BEng hons degree,
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Check engine light giving 9 flashes then staying on, Came on

Customer Question

Check engine light giving 9 flashes then staying on
JA: Does the light stay on, or does it blink?
Customer: Came on just after going through the car wash and stalling twice when restarting the check engine light started its mors even code message, of nine flashes would like to know what it means
JA: What is the model/year of your Chrysler?
Customer: 2006 Chrysler 300c 5.7 hemi
JA: Are you fixing your 300C yourself? What have you tried so far?
Customer: As I thought it might have been a result of the water from the laserwash underbody jet I'm going to leave it out in the summer sun but if I have to I will try to fix it my self, just want to know if it is safe to drive
JA: Anything else you want the mechanic to know before I connect you?
Customer: No thank you :)
Submitted: 30 days ago.
Category: Australia Car
Expert:  Matt replied 29 days ago.


when you get a check engine light then typically its a faulty sensor or a poor connection to a sensor

so yes its quite possible the jet washing has gotten some water into the back of a sensor connection

so I'd say its well worth pulling off the sensor connections 1 at a time and then use some compressed air or even an air jet from a foot pump to blast the water from each half of the sensor electricals

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