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2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 or 4.2 V6 engine
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  #1  
Old 06-04-2012, 06:00 PM
J.R. Rocha J.R. Rocha is offline
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F-150 5.4 Triton

Towing with 2006 F-150 and lost power at stop. Previously had my truck tuned up replaced the air filter to a K and N filter . Also rebuilt the transmission with a shift kit in December. Started loosing power at stop and sputtering but no check engine light came on. Had diagnosis done with no codes and mechanic is baffeled. Help!
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Old 06-04-2012, 06:19 PM
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danorules danorules is offline
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Welcome to Fte, we need more info... Year, 4 by or 2 by, mileage, what was done in tune up, etc..

Just based on what was posted, these trucks do not like non OEM plugs and the earlier years hate k&n.
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Old 06-04-2012, 07:37 PM
J.R. Rocha J.R. Rocha is offline
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More Info

2006 4x4 crew cab, 115,000 miles . OEM Plugs, wires, k and N filter. New Battery. Oil and oil filter.
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Old 06-04-2012, 07:49 PM
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I would check the throttle body, it may be filthy from the oil from the k&n . That may be making the motor run bad
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Old 06-04-2012, 11:03 PM
J.R. Rocha J.R. Rocha is offline
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Thanks for input.
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Old 06-05-2012, 06:57 AM
elrodalonzo elrodalonzo is offline
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Seems the K&N is not good for the MAF sensor either due to the oil. I took mine off and went back to the paper model.
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Old 06-05-2012, 03:49 PM
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k+n is fine if you know how to oil it properly. My truck is a very early 04 and I have ran a k+n in it since I bought it in Sept of 05. no problems. I think some people who have problems oil the clean side of the filter when they recharge the filter, which you are not supposed to do. I just cleaned and oiled mine last weekend. So these trucks do not hate k+n filters but a lot of people on here do.
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Old 06-07-2012, 04:35 PM
J.R. Rocha J.R. Rocha is offline
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Took my vehical into stealership and had it hooked up to get diagnostic. It showed P0345 (cylinder id circuit faulty bank 2) and P0340 (cam sensors circuit) with check engine on for first time after I took it in. Followed pinpont with no faults found for codes. They checked engine oil pressure and found low engine pressure at idle hot with pressure at 14 psi and specs. are 25. Laundy list that followed was timing chain tensioner, causing codes, tensioners, chains, arms, guide, gaskets, and labor. No work approved. Vehical home and purchased two CMP sensors and will replace first. More to follow.
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Old 06-07-2012, 05:29 PM
elrodalonzo elrodalonzo is offline
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Quote:
Originally Posted by bigunit54 View Post
k+n is fine if you know how to oil it properly. My truck is a very early 04 and I have ran a k+n in it since I bought it in Sept of 05. no problems. I think some people who have problems oil the clean side of the filter when they recharge the filter, which you are not supposed to do. I just cleaned and oiled mine last weekend. So these trucks do not hate k+n filters but a lot of people on here do.
That may be true but apparently K&N doesn't know how to oil their filters properly either. I'll quote right off my cleaning instructions that come in the box "Spray K&N Air Filter Oil evenly along the crown of each filter pleat holding nozzle about 3" away. Allow oil to wick for approximately 20 minutes. Touch up any light areas on either side of the filter until there is a uniform red color on all areas."
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Old 06-07-2012, 06:19 PM
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Either side of the pleat, not inside and out
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Old 06-07-2012, 10:52 PM
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Quote:
Originally Posted by elrodalonzo View Post
That may be true but apparently K&N doesn't know how to oil their filters properly either. I'll quote right off my cleaning instructions that come in the box "Spray K&N Air Filter Oil evenly along the crown of each filter pleat holding nozzle about 3" away. Allow oil to wick for approximately 20 minutes. Touch up any light areas on either side of the filter until there is a uniform red color on all areas."
well, not to get the thread off topic, but mine plainly says in the instructions "do not spray oil on the clean side of the filter".I think if it oil was sprayed on that side of the filter it would not be good, that could lead to a problem.
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Old 07-03-2012, 01:21 AM
Steve_Uzi Steve_Uzi is offline
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Quote:
Originally Posted by J.R. Rocha View Post
Took my vehical into stealership and had it hooked up to get diagnostic. It showed P0345 (cylinder id circuit faulty bank 2) and P0340 (cam sensors circuit) with check engine on for first time after I took it in. Followed pinpont with no faults found for codes. They checked engine oil pressure and found low engine pressure at idle hot with pressure at 14 psi and specs. are 25. Laundy list that followed was timing chain tensioner, causing codes, tensioners, chains, arms, guide, gaskets, and labor. No work approved. Vehical home and purchased two CMP sensors and will replace first. More to follow.
J.R. Rocha,

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Old 07-03-2012, 08:14 PM
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If your losing oil pressure on one bank you may very well have a timing chain tensioner seal blown out. I have never had an issue with k&n filters. Heard alot of horror stories but they have always worked well for me. I never oil the clean side either.
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Old 07-03-2012, 08:14 PM
 
 
 
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