Question about 2004 Mercury Mountaineer

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Want to know what code P0308 and P0316 means

Went to parts store it read P0308 and P03316

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P0316 Misfire at Startup P0308 Code Cylinder 8 Misfire

These links will explain the codes. The problem could be something as simple as water in the gas, or the car may need a tuneup if it has been several years since the last tuneup.

Posted on May 08, 2014

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Posted on Jan 02, 2017

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What are the probable causes of DTC P0316?


The P0316 DTC code is a generic code that applies to all vehicles. This code means the powertrain control module (PCM) has detected a misfire shortly after startup, specifically within the first 1,000 revolutions. This code may also be triggered with another of the other misfire codes which are P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0309, P0310, P0311, P0312. If you have another misfire trouble code also, you should diagnose and repair that code(s) first. Symptoms Symptoms of a P0316 DTC may include: MIL (Malfunction indicator lamp) illumination Rough engine start or idle Potential Causes Potential causes of this misfire code may include: Damaged or defective Crankshaft Position Sensor (CKP) CKP sensor wiring or connector fault Poor fuel quality Ran out of fuel Ignition system malfunction Fuel system malfunction: injector or fuel pump Mechanical engine problem Damaged PCM Possible Solutions First off, you'll want to repair any other misfire DTC codes if present prior to diagnosing this code. If you own a Ford vehicle and you have a P0316 along with one of the other misfire codes, you should check for appropriate TSBs (technical service bulletins), as there are some TSBs that in part involve reprogramming the PCM. Doing that requires specialized equipment. Some Ford vehicles even needed a new cylinder head as a result of the valve. Regardless, if you have a Ford with multiple misfire codes including this one, check for TSBs. If the P0316 is the only code, then it's time to do a bit more diagnosing of the crankshaft and camshaft position sensors, and their associated connectors and wiring. A tip we've found is "Since this code indicates a start up misfire, pay attention to items which may expand or contract when cold (if the code sets when the engine is cold), or hot (if the code sets on a hot restart)." Realistically, the freeze frame data from the PCM will be helpful in tracking down the problem. As will a good DVOM (digital volt-ohm meter), so you can perform tests on the wiring and the sensors.

Read more at: http://www.obd-codes.com/p0316
Copyright OBD-Codes.com

Dec 10, 2015 | 2003 Ford Taurus

3 Answers

The chec engine light stays on but when I get to cusing speed the light flashes and the car skips and idels rough


Have the codes read at a parts store (often free) to get a clue as to what's up.

Apr 28, 2015 | Cars & Trucks

1 Answer

P0308 This check engine code came on what does it


Must be a FORD product. The code means the computer has detected a cylinder misfire. Read the following info.
http://www.obd-codes.com/p0308

Sep 14, 2014 | Cars & Trucks

1 Answer

2004 lincoln ls code P0316


P0316 - Engine Misfire Detected on startup (first 1000 revolutions)

Possible Causes:
- Faulty Crankshaft Position (CKP)
- Crankshaft Position (CKP) sensor harness is open or shorted
- Crankshaft Position (CKP) sensor circuit poor electrical connection
- Ignition System
- Fuel Injectors
- Running out of fuel
- Fuel Quality
- Faulty Engine Control Module (ECM)

Read more: http://engine-codes.com/p0316.html#ixzz31EDr0zUN



Are there any additonal codes being thrown for a misfire? Coils and plugs would be a likely culprit knowing this car

Apr 28, 2014 | 2004 Lincoln LS

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

2 Answers

We get the code P316......anyone know what this means


Code - P0316

Misfire detected on start up
first 1,000 revolutions.

Jun 29, 2010 | 2004 Ford Freestar

2 Answers

2003 f-150, 5.4liter is idling rough, an gives codes p0316,p1270


You didn't specify where you put the seafoam (oil, gas tank, vacuum lines etc) It's very possible that the fuel filter needs changing and the spark plugs may very well be fouled. After seafoaming a car it's a good idea to really open it up to burn off the foam and residue.

May 06, 2009 | 2003 Ford Expedition

1 Answer

Can't read misfire codes


The code P0300 is a random misfire code which means any cylinder and the code P0316 means that there is a misfire code set within the first 1000 revolutions of the engine. Good luck with this problem.

May 04, 2009 | 2003 Ford Taurus

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