Question about 2005 Ford F-150 SuperCab

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2001 Ford F-150 4.6 liter romeo. Could the error codes I am geting be caused by incorrect timing?

Timing chain guide was damaged and pieces had been drawn into oil pan and clogged the oil pump screen so oil pressure was reduced. You could hear the passenger side chain slapping around. The diver side appeared fine. So I replaced both timing chain, timing chain sprockets, tensioners, and guides. As engine has over 200,000 miles I also replaced the oil pump, oil pump screen, the water pump and all applicable gaskets/seals. Recently replaced spark plugs and boots so I just cleaned and checked gaps. Cleaned fuel injectors and all connectors prior to installation. Carefully positioned the number one cylinder to TDC with keyway set to 90 degrees to the valve cover mounting surface as instructed. Unfortunately the camshaft position tool I ordered was not the right one for my vehicle and no local auto stores or Ford dealers had available so I used C clamps and wood wedges to keep camshafts from moving. Well the driver side moved slightly but I was able to move back into place when installing the new chain. The motor is running smoothly when in park but when placed in gear at idle begins to shake badly and when driven runs poorly, poor acceleration from start and noticeable loss of power. I checked codes and I am getting P0401 which points to a problem with EGR or related components. P0171 System to Lean Bank 1. P0175 System Too Rich Bank 2. P0306 Cylinder 6 misfire. I have checked and cleaned with contact cleaner all connectors that were removed. I also have checked all vacuum lines and their connections cleared the codes but they have returned. My question is before I continue chasing my tail could these problems be caused by the camshaft moving and now the timing is off?? None of these codes came up prior to this overhaul and engine was running fine until the timing chain guide fell apart.

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Number six misfiring.check valves for that cylinder,look inside distributor for number 6 to see if there is any damage on six contact,also check plug wire. maybe new cam button needed. I hope this helps you

Posted on May 15, 2014

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It sure sounds like you are off one tooth on the timing chain. The fact you are getting different codes for each bank points that direction too. You should be able to check all your marks again. That's where I'd start.

Posted on May 14, 2014

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Posted on Jan 02, 2017

james klgr
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SOURCE: Engine noise in 460 1983 E 350

this is hard to diagnose without hearing it but its either the timing chain or wrist pin on a piston

Posted on Jul 03, 2008

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SOURCE: timing belt

You obviously need to replace your TPS, and you may need a new belt tensioner as well. On these cars the timing belt setup is not about no 1 cylinder being top dead center. Here are the proper steps to do a timing belt on this vehicle:

To change the timing belt first place the right side of the vehicle on a jack stand and remove the right front tire. Remove the plastic cover inside the wheel well to expose the harmonic balancer. Remove the serpentine belt (standard 3/8" rachet will set in the belt tensioner to relieve tension). Remove the harmonic balancer (19mm). Place a jack under the engine on the right side of the vehicle, then remove the engine mount from the top of the fender well, (17mm deep well socket and 17mm wrench required) it is not necessary to remove the mount from the side of the engine. Remove the timing cover, (10mm) it has 2 nuts. Loosen the timing belt tensioner, (10mm) then pry it away to relieve the tension. Slide the timing belt off of the cam gear.

To position the new belt, the cam gear has a arrow on it, and the cylinder head has a small dot. Align the arrow with dot, and make sure it is aligned (the arrow must point up). The crank gear has a notch and the engine has a groove to align the notch. Again, make sure the notch and groove are aligned (they again will be up). Place the new timing belt in position around the crank gear, the water pump and belt tensioner and leave the slack at the top. Again relieve any tension from the belt tensioner, and slide the belt on to the cam gear. Place a slight bit of tension on the belt and tighten the belt tensioner. Use the 19mm bolt from the harmonic balancer and turn the engine 2 complete turns and verify that the cam gear and crank gear are in their proper positions and aligned with the dots and notches. After 2 complete turns of the engine, and verifying everything is still aligned, re-assemble in reverse. No further adjustment is necessary.

Note:There is no timing adjustment for this vehicle, and if you are not properly aligned on the cam gear and crank gear it will not run properly.




Posted on Apr 29, 2009

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SOURCE: Hesitation and stumbling.

Before you do that, check which thermostat it has in it, if it has one that is letting it get too warm or not completely up to temp when the computer think it should be, it would cause this. My 2000 crown vic did the same thing and thats what it was.

Posted on Jul 20, 2009

emissionwiz
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SOURCE: where is the Camshaft Position Sensor located on a

this car has but one bank, the cam sensor is under the intake manifiold on the drivers side.

Posted on Feb 25, 2010

Testimonial: "thanks, now I know where to start looking. Is it a fairly easy item to replace?"

redbeard00
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SOURCE: i have a 1990 ford f250 4x4 with a 5.8l i have

I guess because it isn't playing nice. I would do a compression test first. Check that the cylinders are within limits. Would you explain what the drive-ability issue is? How does it idle? How does it run cold or hot?

Posted on May 05, 2010

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At how many mi do i change cam chain


Les, The chain in the 2.3 is to last as long as the engine, normally if some thing was to happen, chain guides would wear first and you would likely here a rattling noise that would alert you to have things checked. This engine is known as an interference engine, meaning if chain did slip/break, it could cause real damage to engine valve train and pistons. If it would give you piece of mind and you have over 200,000 on it, have i changed. Check the attached links,instruction and guides, Good luck
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Sorry I'm not going to proof read this I hope this helps. Nick

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2 Answers

Is it possible that the error codes I am getting are caused because I messed up the timing when the camshaft moved during timing chain installation?


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