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post #1 of 3 (permalink) Old 12-31-11, 09:02 AM Thread Starter
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98 F150 4.6 EGR Valve question

I was doing some random reading becuase i got board and noticed a thread about the EGR valve.. It was saying when he pulled the vacuum line off the EGR valve the truck almost died..

My question is on my truck when i pull the vaccum line off the truck makes no such indication of stalling or any differnece in idle.. Only time it would try to die is when i put a hose on it and suck through the hose.

Could something not be right?, I am getting a P0402, 171, and 174 which im sure it might be the DPFE,

Note that i do not have any Cats

thanks

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post #2 of 3 (permalink) Old 12-31-11, 09:49 AM
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Re: 98 F150 4.6 EGR Valve question

The engine shouldn't die when the vacuum line is disconnected.

Bert
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post #3 of 3 (permalink) Old 12-31-11, 09:52 AM Thread Starter
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Re: 98 F150 4.6 EGR Valve question

ok thanks, thats the good answer i was looking for
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