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I have a 2009 Ford Focus. The check engine light came on and I used a scanner. The code that came up was 123 45 E.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: how do i access check engine light codes on a 2009

you jest?¿ i think you will find this vehicle uses encrypted software ,so its a dealer only job tried to access a merc a month ago and it shut down the immobilisor ,when taken to dealer the reception man said it had had an unauthorised access on the OBDII ,but that is another story

Posted on Jan 23, 2010

  • 142 Answers

SOURCE: Ford Focus Engine Light

Start by getting either a mechanic or someone with an OBDII scanner to read the code so you know where to start. Lots of time a loose gas cap will cause a "Evap system small leak" code which illuminates the check engine light for a while. Other than that I can't help you much without knowing what code comes up.

Posted on Aug 28, 2008

  • 142 Answers

SOURCE: 2003 Ford Focus ZXT

Oxygen sensors do go bad, but having the code there doesn't necessarily mean a bad sensor.

In your case P2195 means your front oxygen sensor (on the exhaust manifold) read a lean mixture for more than 25 seconds on 2 consecutive drive cycles (2 times you turned your engine on, then off).

Ford does have a service bulletin out for that code and the code usually indicates you have a vacuum leak somewhere around the engine.

If your car drives well, I wouldn't worry about it right now. It's not a condition that will leave you stranded in any way, the worst that can happen is decreased fuel mileage.

I'd run the car for a while and see if the light comes back on, and if it does, how often. It may never light up again. If it does light up, and/or if you notice any increased fuel consumption, erratic idle (engine feels like it wants to stall at idle), or any other driveability issue, i'd start by looking for a vacuum leak before anything else...

Other possible causes could be
-Bad Oxygen sensor (possible, but i wouldn't jump to this)
-Bad injector(s) (unlikely, you'd probably notice in the way the engine runs)
-Fuel pressure issues (you'd notice this too)
-Bad engine computer (very unlikely)

A vacuum leak can a lot of times be pin pointed easily:
Start the engine and let it idle. Get a propane torch (the kind used to solder plumbing pipes) and open the gas valve slightly (without lighting the torch). Pass the torch around vacuum lines and connections (they run from the intake/throttle body to the transmission, brake booster, PCV valve etc...) When the torch comes around where the leak is, the engine speed will increase noticeably.

There are pumps available to check for this but I find this method to be quite easier, cheaper and more reliable.

Posted on Aug 29, 2008

  • 743 Answers


The only way those type of scanners will give you a code is if it is a hard code. When a check engine light is on, but doen's flash it is usually referring to an emission problem. A flashing light refers to misfire. Spark plugs, wire, etc. A snap on scanner or Genesis Scanner is able to look at perimeters inside the system which is a better approach when you don't have a hard code. Sometimes after the code is on long enough it will become a hard code and the type of scanner that you have will pull it. The thing that often happens is the EGR isn't circulating properly and you get an intermediate light and don't get a hard code for a while which leaves you in the dark. You might take your vehicle to a local service shop which uses a better scanner and they can look at what is going on and solve that problem.

Posted on Mar 07, 2010

Testimonial: "You are correct. However I'm not enen getting the code 12 that the system is working. I think my computer might be fried? "

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SOURCE: what does this code mean?

P0460 Code - Fuel Level Sensor Circuit Malfunction.

I'm not sure what you mean by you mixed gas, does that mean you switched to a different station or octane level? Does the gas gauge still work fine? As long as it works fine you could keep driving for a few more tanks to see if the problem goes away. If you overfill or run the tank too low it can cause issues with the fuel sender.

When the pump clicks off, you're done filling. Though at 175K miles the fuel sender could just have gone bad. If you start to see symptoms then take it into the shop definitely. About the only thing you could do prior to that is if you're comfortable you could use a digital volt ohm meter (DVOM) and measure the sensor readings at the tank (at the electrical connections).

Good luck.

Posted on May 11, 2010

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Start by getting either a mechanic or someone with an OBDII scanner to read the code so you know where to start. Lots of time a loose gas cap will cause a "Evap system small leak" code which illuminates the check engine light for a while. Other than that I can't help you much without knowing what code comes up.

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