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post #1 of 7 (permalink) Old 03-13-2014, 07:18 PM Thread Starter
 
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Check engine light on

I am getting a P0402 code on my 98 Explorer 5l. I have replaced the EGR valve already and still get the code. Suggestions?

Doug

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post #2 of 7 (permalink) Old 03-13-2014, 07:44 PM
 
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have you reset the ECU?



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post #3 of 7 (permalink) Old 03-13-2014, 07:45 PM Thread Starter
 
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reset the ECU??

Doug

01 F150 XLT
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post #4 of 7 (permalink) Old 03-13-2014, 08:56 PM
 
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I think he meant by removing the battery cable for 10 minutes or so to clear all codes. This also resets the computer stored data in the system.

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post #5 of 7 (permalink) Old 03-13-2014, 09:34 PM Thread Starter
 
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Thanks

Doug

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post #6 of 7 (permalink) Old 03-13-2014, 11:35 PM
 
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ECU is the computer.



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post #7 of 7 (permalink) Old 03-15-2014, 12:20 PM Thread Starter
 
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Right. That was a duh moment ....

Doug

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00 F350 Superduty
98 Explorer Limited
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