DPFE Sensor
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Elder User
Joined: Jun 2005
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DPFE Sensor
OK so I got tired of all the missing in the engine, so I bought a DPFE Sensor at the dealer, kept getting out bid on ebay. installed it and took the egr valve off and cleanned throttle boddy off and cleaned basically every sensor and hose to ensure they weren't clogged or dirty. put it all back together. disconnected the battery then reinstalled. truck ran rough for a min getting all the cleaner out of the system the test drove it to work and there was a major difference. still a slight miss but what can you expect with 109,000 miles on it.
I want to thanks for all the other threads to help me find the problem.
Lance
I want to thanks for all the other threads to help me find the problem.
Lance
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Elder User
Joined: Jun 2005
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I bought the truck in May, left for a month and in June did a complete tune up including all fluids. (I normally do this with every used vehicle I buy) I have only put 1000 miles on it but I fixed lot of issues it had with this forum (THANKS).
Any other Ideas??
Lance
Any other Ideas??
Lance
Senior User
Joined: Apr 2005
Posts: 165
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From: Dallas, Ga
Check for water in the plug holes and check for carbon track on the plugs.And check if the wires are arching.
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What is seafoam treatmeant and who carries it??
I don't have plug wires I have the coil in plug style they are all sealed up to the head.
The Truck is a 2000 4.6 4x4.
I don't have plug wires I have the coil in plug style they are all sealed up to the head.
The Truck is a 2000 4.6 4x4.
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Posting Guru
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seafoam is an additive you can add to your fuel, oil and directly through the intake. Find the brake booster line or pcv hose and and let the engine suck about a third of the can (while its running) turn off the motor and let it sit for about 15 mins. Start her up and drive the **** out of it (you will see ALOT of smoke coming out of your tailpipe) until the smoke goes away.
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Joined: May 2004
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From: DFW, TX
Anybody ever try something like Evinrude/Johnson Engine Tuner? It's a decarbonizer but comes in an aerosol can with a tube and you spray it in the intake. Works great on 2-stroke outboards which carbon up way worse than modern automotive engines.