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Ford F150 MY2005. 5.4L V8. DTC P0301,P0316. what does it mean?

Coil on cyl. #1 and #5 been replaced. but check engine light still on. DTC still exist. all sparkplug been replaced,fuel injectors been cleaned.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1988 ford f150 302ci miss

possible bent push rod or colapised lifter
open the valve cover and start the truck make sure all the rocker arms are moving

Posted on Nov 18, 2008

chuck943
  • 783 Answers

SOURCE: engine code p0307 cylinder #7 misfire

It could be carbon deposits on valve seats keeping valves from totally closing. You can try getting you a can of motorcraft PM3 top end engine cleaner and get engine up to operating temp then remove one of the small vacuum lines from the intake and draw the contents of the can slowly into the engine.After you have drawn in the contents shut engine off and let it soak for about 45 minutes then crank it back up and let it run until it clears. Now it will smoke like a forrest fire while you are doing this so don't be alarmed,just tell the neighbors you are spraying for mosqitos.This may cure the problem. If not you may be looking at a valve job.
This can be verified with a compression test if this is what is causing it.

Posted on Feb 05, 2009

  • 7353 Answers

SOURCE: I have a 2005 ford ranger 3.0L with repetitive engine codes

these engines did have some exh valve issues, service bulletin 05-26-3. one other thing to verify is that the cam synronizer (CMP) is correctly installed. if its not right on, its way off.

Posted on Oct 14, 2009

  • 62 Answers

SOURCE: Engine misfires on #1 cyl. Code P0301. plug, fuel

Then the coil is bad. Even if the specs were ok, which they r not, the cracked case means its junk.

Posted on Feb 03, 2010

dttech
  • 4803 Answers

SOURCE: vehicle came in for check

A misfire at idle that smooths out at cruise is ALMOST ALWAYS caused by a vacuum leak. Take a hard look at your fuel trims at idle. If the Bank 2 Long Term Fuel Trim is more than + a couple points higher than the Bank 1 trim, your problem is most likely a vacuum leak. If the Fuel Trims even-out while holding the engine at 2000 RPM for about 20 seconds, then a vacuum leak is DEFINITELY your problem. I would suspect a leaking lower intake gasket leak because an upper plenum leak will normally affect all cylinders.

Posted on Jan 30, 2011

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1 Answer

2004 ford explorer sport tracs cylinder 1 misfire


The coil-on-plug. These are common to fail. #1 is easy to get to, all you need is a 7mm socket, an extension, and a ratchet. P0301 tells you that cyl.#1 is not firing everytime it is asked to, P0316 means that during the first 1000 revolutions when you start your truck, there was a misfire. To be sure about the coil, swap the coils with the one next to #1. Clear the codes and wait for the codes to return. If the code P030_ shows up, (P0302 if you swapped it with #2, P0303 for #3, for example) Then remove that coil and get you another!

Feb 01, 2012 | 2004 Ford Explorer

1 Answer

Mustang 2003 check engine light on. Had diagnostic run at AutoZone and they gave me the following codes: p0316 and p0301. car skips like it wants to cut off. Can I still drive until I get it looked at with...


If the light is flashing - NO. It means you are dumping raw fuel intot eh catalytic converter (very expensive).

If steady, drive sparingly.

01 is cylinder #1 misfiring. Could be spark plug or coil.

16 is misfire detected during start up.

Nov 01, 2011 | 2003 Ford Mustang

1 Answer

Very sputtery at times and engine light flashes on and off then could go weeks with no problem


if this is a V6 3.0L engine, you could have 1 or more bad COPs, coil on plug. It sits on the spark plug nd will cause a misfire and a P03..... code P0301 for cyl #1 misfire or 02 for #2, etc.
A flashing CEL, cehck engine light means you are sending unburned fuel into your 2 very expensive catalytic converts whcihwill turn them red and overheat them. They are called manicats because the manifold and cat are one piece. Big labor cost to replace to. There is a special service bulletin for techs to follow to diagnose what is bad. When the light is on, you should go to Autozone and have them extract the DTC codes that will tel you what's wrong.

You can drive with the CEL on steady, but you should not drive with a CEL flashing.

report DTC codes here.

Jul 02, 2011 | 2005 Ford Escape

1 Answer

Have misfire, code P0316, any ideals? 86,000 miles on


2004 Marauder and 2003-2004 Mustang vehicles built before 12/19/2004 equipped with 4.6L 4V/5.4 4V engine may exhibit a runs rough, lacks power, and engine misfire, prompted by a MIL light and DTC codes P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, and P0316.
ACTION
Diagnose engine for engine misfire concern. If diagnostics determine an engine misfire which is characterized by leakage through exhaust valve(s), only replace the affected cylinder head(s).
SERVICE PROCEDURE FOR VEHICLES WITH RUNS ROUGH/MISFIRE CONDITION:
1. Perform relative compression check on all cylinders. If abnormal, check cylinder leakage and actual compression for "low" cylinders refer to Workshop Manual (WSM), Section 303-00.
2. If leakage/compression check indicates a valve train concern, per valve train diagnostics in WSM, Section 303-00, replace cylinder head and cam assembly, pipe plugs and timing chain tensioner, per procedure outlined in WSM, Section 303-01.
3. If cylinder leakage and compression tests are inconclusive, perform misfire diagnostic, per TSB 05-22-8.

So

Feb 26, 2011 | 2004 Ford Freestar

1 Answer

I've got error codes P0303, P0316 and P0194 on my Ford ESCAPE 2005 V6 duratec, 4X2. I've changes spark plugs, spark cables, coils, also cleaned with ultrasonic method fuel injector and the problem still is...


po303 is cyl. #3 miss fire p0316 is random miss fire po194 is fuel pres. crkt. could be fuel pressure regulator or bad injector on #3 asuming coil has been replaced on #3

Jan 16, 2011 | 2003 Ford F150 Regular Cab

2 Answers

Code p0301 and p0316


P0301 - Cylinder 1 Misfire Detected
P0316* - Engine misfire detected on Startup (First 1000 Revolutions) Could be a Bad Coil or bad spark plug or a bad wire on cylinder one. Check the plug and the wire first then move to the coil. Good Luck.

Sep 23, 2010 | 2002 Ford Explorer Sport Trac

1 Answer

2001 f150 v8 #7cyl. misfire, WTF!


PO-307 COP Ignition Coil -Cyl #7

$59.00 at auto part store

Driver side, third cyl/coil from front of engine,is #7

Remove coil cover,one screw on coil.

1-2-3-4 Pass Side
5-6-7-8 Driver Side

May 16, 2010 | Ford F-150 Cars & Trucks

1 Answer

Engine misfires on #1 cyl. Code P0301. plug, fuel


Then the coil is bad. Even if the specs were ok, which they r not, the cracked case means its junk.

Jan 29, 2010 | 2001 Ford Taurus

2 Answers

2004 F150 5.4L engine misfire


The concern is likely caused by the coil which sits on top of the spark plug. Your P0301 indicated misfire on cylinder 1. Your P0316 indicated it occurs on the first 1000 revolutions. Your P0171 indicated lean on bank one. Bank one includes cylinders 1,2,3 and 4. Your lean code is strange but could be related to misfire. I would recommend swap the coil on number one with number two. Clear the code and drive it. I would expect to see a P0302 which indicates the misfire traveled with bad coil. good luck.

Mar 02, 2009 | 2004 Ford F150

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