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Ford ranger p0305 code
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Misfire cylinder 5. – The Ultimate Ford Ranger Resource
2.9L & 3.0L V6 Tech – Misfire cylinder 5. – took the spark plugs out and checked the gap. 5 was a lil short but not enought i think to cause a problem.
Source: www.ranger-forums.com
Date Published: 3/10/2022
View: 4165
Ford Ranger P0305: Cylinder 5 – Misfire Detected – 700R4
Ford Ranger P0305 Definition … P0305 is a cylinder specific misfire code, which means that Cylinder 5 is misfiring and causing it. An important …
Source: www.700r4transmissionhq.com
Date Published: 5/26/2021
View: 4712
Misfire on cylinder# 5 (Code: P0305) – Ford Forum
Ford Ranger, 3.0. Misfire on cylinder# 5 – changed plug on # 5. Still misfiring on # 5 – noticed a squirrel had been chewing some of the plug wires …
Source: www.fordforum.com
Date Published: 11/17/2021
View: 7043
What causes cylinder 5 on a Ford Ranger to misfire?
The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 5 into the exhaust. Mileage may suffer as well when your Ranger has …
Source: mysweetindulgence.com
Date Published: 7/2/2021
View: 3357
Cylinder 5 Misfire at Idle : r/fordranger – Reddit
But a misfire consistently on one cyl is either a bad plug or a cracked valve, bent valve or a stuck ring. A leak down test can pinpoint that …
Source: www.reddit.com
Date Published: 1/30/2022
View: 6002
Code 0305 Cylinder 5 Misfire. What to check next?
1983 – 2012 Ranger & B-Series – Code 0305 Cylinder 5 Misfire. What to check next? – My check engine light came on yesterday morning as I drove to work.
Source: www.ford-trucks.com
Date Published: 10/30/2021
View: 106
cylinder 5 misfire – Ford Ranger Forum
I drive a 2002 ranger, and for the last 6 months, have had the check engine light. plugs and wires have been replaced.
Source: www.fordrangerforum.com
Date Published: 4/9/2022
View: 7682
Misfire on cylinder 5 p0305 | The Ranger Station
D you get the code cleared? Later Ford’s have a strategy to protect the converters. They shut down fuel injectors when bad misfires are …
Source: www.therangerstation.com
Date Published: 11/27/2022
View: 6559
Misfire cylinder 5.
Yes, I drew them, haha, learned a lot in the process. and it was back and forth to the store. I can’t get it right, but it can be picked up tomorrow 🙂 long story, but I installed everything correctly again, but before the removal, the reason I did all this was because, after installing a new one installed injector on cylinder 5, it ran worse. couldn’t figure it out. Compression wasn’t good so we thought it was a mechanical issue. So I remade my heads. everything put back together, ran just like before the new heads. Now cylinder 4 fires. install a new injector. did nothing… found out it was the injector harness. that replaces. haha…. now cylinder 5 fires again. Come to find out…the new injector I fitted…I got from Advance by the way…was the wrong one…it gave my cylinder about half the flow it needed. I have a loooong call with Advance tomorrow morning. in the meantime of all this. when i started it. My cat has turned red so now I have to replace her too. So it’s been a trip, but my mechanic says it’s buttery smooth. If you’re thinking of pulling your heads, it’s not too bad, time, patients, a few beers and you’re all set. and of course remembering where it all leads. Haha.
When I started getting the code, I did all the easy stuff first. The plugs, coil, wires then went to the injectors. try things out first. and make sure you get the right gear haha. and when i pulled the heads i heard i was only supposed to get motorcraft so i switched to them. 🙂
Ford Ranger P0305: Cylinder 5 – Misfire Detected
P0305 is a fairly common trouble code on Ford Ranger. It is an OBD2 code and stands for:
P0305: Misfire detected → Cylinder 5
P0305 is certainly a cause for concern and should be considered a threat to your Ranger’s drivability. The beauty of P0305 is that it is a cylinder-specific trouble code, making the problems easier to diagnose than P0300, which means the cylinders are misfiring randomly.
It is often accompanied by codes P0301, P0302, P0303, P0304, etc. These specific codes indicate that there is a misfire in cylinders one, two and three respectively.
Fixing P0305 should be considered a high priority. Unlike many OBDII codes, this code is directly related to engine combustion. It can also cost money to ignore, as misfiring driving can damage the vehicle’s catalytic converter. The engine also doesn’t fire all of the fuel, so raw fuel also flows through cylinder 5 into the exhaust. Mileage can also suffer if your Ranger also has P0305.
Ford Ranger P0305 definition
P0305 is a cylinder specific misfire code, meaning cylinder 5 is misfiring and causing this. One important thing to understand when finding the location of cylinder 5 is that it will be the 5th cylinder in the firing order. It won’t be the fifth cylinder you might see when you look at the engine.
Ranger P0305 OBDII Code Symptoms
The P0305 trouble code will soon trigger the Ranger service engine light.
The vehicle itself can start to run rough. It depends on how severe the misfire is.
The vehicle can generate excessive vibration, especially at lower speeds.
Fuel consumption can suffer as a result.
Raw gas can smell from the tailpipe.
The vehicle can backfire.
P0305 Trouble Code Diagnosis – Ford Ranger
There are a few things that can cause the P0305 trouble code to trigger the Ford Ranger. Here are the most common problems that can cause this. They are presented somewhat in order from most to least likely causes of the code:
Bad Spark Plugs – Spark plugs are one of the most common causes of P0305. Look at the electrodes and make sure they are in good condition. Most vehicles are now equipped with iridium candles that rarely need to be changed. That being said, the plugs are a good place to start. Here’s a great video on how to tell if a spark plug is bad.
– Spark plugs are one of the most common causes of P0305. Look at the electrodes and make sure they are in good condition. Most vehicles are now equipped with iridium candles that rarely need to be changed. That being said, the plugs are a good place to start. Here’s a great video on how to tell if a spark plug is bad. Spark Plug Wires – On most modern engines, the spark plug wires aren’t nearly as long as they used to be, but they can still break. How to Tell if Your Plug Wires Are Bad (Video).
– On most modern engines, the plug wires aren’t nearly as long as they used to be, but they can still break. How to Tell if Your Plug Wires Are Bad (Video). Coil Packs – Coil packs rarely go bad, but when they do they can certainly cause P0305 in your Ford Ranger. Replacing a set can be very expensive. Here’s how to test them.
– Coil packs rarely go bad, but when they do they can certainly cause P0305 in your Ford Ranger. Replacing a set can be very expensive. Here’s how to test them. Faulty Fuel Injector – If you have a faulty fuel injector, it will not be able to properly atomize fuel and you will get the P0305. Here’s a good video on diagnosing an injector, it can be a little tricky. This is definitely not the place to start.
– If you have a faulty fuel injector, it will not be able to properly atomize the fuel and you will get the P0305. Here’s a good video on diagnosing an injector, it can be a little tricky. This is definitely not the place to start. Vacuum Leak – If your Ranger has a vacuum leak it can be very difficult to get the right air/fuel mixture. This will cause the cylinders to misfire and will throw the P0305 if the leak around that particular cylinder is at the intake manifold. It’s easy (and kinda fun) to hunt one down. Popular mechanics: How to find a vacuum leak.
– If your Ranger has a vacuum leak, it can be very difficult to get the right air/fuel mixture. This will cause the cylinders to misfire and will throw the P0305 if the leak around that particular cylinder is at the intake manifold. It’s easy (and kinda fun) to hunt one down. Popular mechanics: How to find a vacuum leak. Cam or Crank Sensors – This is very unlikely, but it does occur. If the ECU does not get the correct signal from these sensors, the vehicle’s timing will not be synchronized and misfires will occur.
– It is very unlikely, but it happens. If the ECU does not get the correct signal from these sensors, the vehicle’s timing will not be synchronized and misfires will occur. Low Compression – If you have a leaking head gasket, bent valve, cracked head, etc. that would cause compression not to be as high as it should, you will get P0305. You should also feel like the vehicle has lost power.
The most common P0305 fixes
By following the points listed above you should be able to fix the P0305. How to proceed:
Inspect and test the ignition system parts around the cylinder to determine whether or not you need to replace the coil packs, connectors, or wires. Most of the time one of these three things will be the problem.
You will need to reset the trouble codes and swap out the coil pack, wire and connector from cylinder 5 for another cylinder. If you get a different P030X code, you’ll know that one of those three components is bad because by moving those components you’ve changed which cylinder the trouble code registered in. After that, you can have them replaced or tested. It’s an easy and inexpensive way to determine if your ignition components are bad.
After that you want to test the fuel injection system. Above are links to show you how. If that doesn’t work, it might be time to do a compression test and see if you have a leak in that cylinder.
Is P0305 a serious problem?
P0305 is a cause for concern and if left unfixed you could be left stranded or render the vehicle virtually undriveable. Fixing the problem that is causing the code to be triggered can save you time and money and keep your Ford Ranger from dying. Acting quickly can also prevent your catalyst from going bad. Good luck diagnosing the problem. If you have anything to add, please leave a comment below.
Misfire on cylinder# 5 (Code: P0305)
carp head
Joined date: February 2009
Posts: 5
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“THANKS! I’ll try your idea once I fully figure it out. Can a coil pack be tested on the test bench.” ?
Yes, check the U-tubes for a picture of testing COPs.
The problem is getting to the COP.
skip.
junior member
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