Question about 2005 Skoda Octavia 1.6

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CHECK ENGINE LIGHT ON

DIAGNOSTIC CODES ARE,P0301,P0316,P0171,P0201 WHAT ARE CYLINDERS? THANKS,DEBRA

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I have a 94 Ford Taurus. I recently took it to a place to get a free diagnostic check hoping to see what was wrong and get an estimate. They were able to get codes off the reading but their system only...


Quite a long list of codes. The first thing to do is clear the codes and see how many return after driving the car for a few days.
The codes that include 301 - 306 are for cylinder misses on the selected cylinders. 301 is cylinder one, and so on.
But my first problem is the year of the car. Ford uses two digit codes for most cars built before 1996. Including yours.
The three and four digit codes you listed look more like OBD2 codes for models built after 1995.
So before you proceed, you need to verify the codes you were given are from your car and it is in fact a 1994.

Apr 23, 2013 | Cars & Trucks

2 Answers

What do I need done if codes p0171 p0174 p0301 p0305 p0316 is it major problems


OK, We'll cover the Diagnostic Test Codes (DTCs), starting with the standard definition set by SAE J2012 (Revised December 2007)
DTC P0171 "System Too Lean Bank 1"
DTC P0174 "System Too Lean Bank 2"
DTC P0301 "Cylinder 1 Misfire Detected"
DTC P0305 "Cylinder 5 Misfire Detected"
DTC P0316 "Engine Misfire Detected on Startup (First 1000 Revolutions)"

The "system lean" codes are pretty much telling you that there is way too much oxygen in the exhaust. There is too much oxygen on BOTH sides of the engine, and that is why you are getting codes for bank 1 and for bank 2. Bank 1 is the side where #1 cykinder is located and Bank 2 is the opposite side.

The misfire codes are pretty self-explanatory. #1 and # 5 cylinders are misfiring. The P0316 DTC is telling you that the misfire monitor is detecting a misfire as soon as the engine starts. This tells you that it is a very severe misfire and that the engine does not have to warm up and the car does not have to be driven to detect the misfire.

A misfire can be caused by many things it can be vacuum leaks, bad spark plugs, bad ignition cables, faulty ignition coils, fouled or malfunctioning injectors or injector circuits, blown head gasket, cracked cylinder head, burnt valves, etc.. etc..

However, look at the codes you have. Then look at the firing order for your engine. 2002 Mercury Sable is only equipped with a 3.0L 2V 6-cylinder engine.
The firing order is 1-4-2-5-3-6

Now if you take the firing order and split it in half, stack the two halves on top of each other, it looks like this:
1-4-2
5-3-6

When you look at the firing order this way, you can see that cylinders 1 an 5, 4 and 3, and 2 and 6, are "PAIRED" cylinders. They are exacly opposite in the firing order. Now, the cylinder only fires every second revolution of the crankshaft. With paired cylinders, one of the cylinders in the pair will fire on the first revolution and the other cylinder will fire on the second revolution.

Looking back at your codes, please note that the cylinders that are setting the misfire codes are paired cylinders.

Now the coil pack for your ignition is actually made up of three coils. Each coil fires a set of paired cylinders. If you look at the top of the coil, it will usually be marked with the cylinder numbers that each coil tower is supposed to connect to. The coil will look just like the firing order split and stacked as above.

With all of this said, I would say that it is VERY LIKELY that your misfire codes are being caused by a defective ignition coil.

The lean codes are a little different.

These are USUALLY caused by vacuum leaks which allow too much air into the engine that is not getting measured by the Mass Airflow (MAF) sensor and causes the engine to be getting too much air and not enough fuel (running lean).

I would take a good look at all of the vacuum hoses and lines. Ford is notorious for getting holes in the rubber parts that connect the PCV tubes.

If you do not find any obvious reasons for a vacuum leak, then you may want to fix the misfire codes, reset the computer memory, and drive the vehicle to see if the lean codes come back again. The misfires COULD be the cause of the lean codes. In a perfect world, this is not supposed to happen because the misfire monitors setting codes will not allow the oxygen sensor monitors to run and set lean codes. However, I HAVE seen cylinder misfires that have caused lean codes.

I hope this helps you to figure it out. Good luck!

Feb 03, 2012 | 2002 Mercury Sable

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

My car is cutting off every time im going under 1000rpm. mercury sable 2002. codes were p0301 p0302 and p0316 until i changed crank sensor and spark plugs now it says p0316 p0305 p0306.. whats going on?...


Hi

P0305 is misfire in cylinder #5.
P0306 is misfire in cylinder#6.
P0316 is misfire on start up.
Have the plugs on those 2 cylinders, and the 2 fuel injectors checked, also check for spark from the coil on those 2 plug wires.

Please get back to us if you have further query or else please accept the solution.

Thanks for contacting fixya.com



Sep 05, 2011 | 2002 Mercury Sable

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

My C230 Mercedes has check engine light on. Car checked and the following codes were found: P0171 system too lean, P0300 random/multiple cylinder misfire, P0301, 302, 303, 304- meaning cylinders 1 - 4...


P0171 indicates a lean condition. The most common cause of this is a defective mass air flow sensor. Also check if any vacuum leaks.Replace MAf sensor,if cleaning the MAF does not help.
Thanks.

Sep 06, 2010 | 2004 Mercedes-Benz C-Class

2 Answers

F150 2002 4.2 eng codes: p1400,p1151,p1131,p0316,p0301,p0174, and p0171


1400 is dpfe, 1151 is an 02 sensor code, 1131 is also 02s11 code, P0316 = Engine Misfire Detected on Startup (First 1000 Revolutions)
Po301 Cylender 1 misfire, p0174 lean condition bank 2, And p0171 is lean bank 1. Either this is in need of a whosale of repairs or you have computer issues, From looking at the codes i would first do a complete tune up, Including wires, And inspect for a vacume leak before replacing any 02 sensors..

Jun 14, 2010 | 2002 Ford F150 Regular Cab

1 Answer

Check engine light codes and troubleshooting


Sounds like you have a vacuum leak for the lean code and the misfires. I don't see a 473 code in my manual, but have a 463. The 463 is for the fuel level sensor open or voltage high.

Jun 01, 2009 | 1998 Jeep Wrangler

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

1 Answer

1996 century


P0301 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #1

P0171 code basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. - this could be an open vacuum line.

on your P0301 and your P0171, the first thing I would check is your mass airflow sensor, it's probably fouled, also check the air filter, and vacuum lines for cracks.

P1406 code - EGR Valve Pintle Position Circuit - this basically states that the EGR valve is clogged.

Jun 14, 2008 | 2003 Buick Century

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