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Problem: P120X And P020X Codes

injectors

Best Answer Jim_Cambridge, 06 October 2014 - 08:54 PM

(edited 07/10/14)

 

I didn't mention the jerks especially because I was having just the same problems as you wrote in your first post. My car is still awaiting diagnosis from a diesel specialist, the first injector which was changed/removed was assessed today by United Diesel (I posted it to them) and they said basically the piezo mechanism had worn out and it was common with high mileages - mine is 145k, what is yours?

 

The injector specialist has reported today that the second injector has also failed electrically, basically worn out, and needs replacing. Apparently it's common, but I am still very curious why it happened straight away after the other one was replaced. And wondering if 3 and 4 will go very soon.

 

One thing he clarified - the Siemens injectors do not need coding, I believe they are fitted to later vehicles around 2005/06 onwards, so not all the 1.8 TDCi Lynx engines are the same.

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#16 jeebowhite

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Posted 15 October 2014 - 11:23 AM

Good result let's hope you have many more happy motoring miles!

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#17 cauchy

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Posted 23 October 2014 - 01:19 PM

Hi guys,

 

Do you know how to identify the injectors by their numbers? I mean when I look at the engine then which one is 1, 2, 3 and 4?

 

Greetings,

cauchy

 

PS. I am also about to replace one of my injectors since it started to produce the "check engine" codes every 100 m. I will report how it worked.



#18 jeebowhite

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Posted 23 October 2014 - 01:23 PM

You would need to check Google as I'm not sure personally, someone may be able to tell you.

#19 Jim_Cambridge

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Posted 23 October 2014 - 01:27 PM

Hi guys,

 

Do you know how to identify the injectors by their numbers? I mean when I look at the engine then which one is 1, 2, 3 and 4?

 

Greetings,

cauchy

 

PS. I am also about to replace one of my injectors since it started to produce the "check engine" codes every 100 m. I will report how it worked.

 

I tried finding this on the web with no success. But I'm pretty sure they're 1 to 4 from left to right looking at the engine.



#20 jeebowhite

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Posted 23 October 2014 - 01:43 PM

Oddly I think it's 1324 from the left

#21 Jim_Cambridge

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Posted 23 October 2014 - 01:52 PM

Oddly I think it's 1324 from the left

 

I hope not, because I was having injector no. 2 replaced, and the new one (shiny and clean!) was 2nd from left.



#22 cauchy

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Posted 23 October 2014 - 02:05 PM

After a bit of thought: X in "P102X" means the cylinder number and cylinders are ordered from the left to right (right?), so the injector number does not seem to matter.



#23 cauchy

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Posted 17 November 2014 - 09:47 PM

Just for future reference. Replacing a single injector (on cylinder 3) fixed the issue. More than 500km without a single jerk or error. Thanks for help! 



#24 Jim_Cambridge

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Posted 22 February 2015 - 01:38 PM

(also posted on a different thread on this site)

 

An update from me also (Focus 1.8 TDCi, 2009, 146k miles). Less than 1000 miles after getting injectors 1 & 2 replaced, I got another glitch and limp mode (again after about 40 miles) which was cured by restarting engine. Code reader showed problem with injector no. 4 so I also bit the bullet and got both 3 & 4 replaced. Cost me £680 at Cambs Injector Services (only £60 more than I was quoted for one at Ford!). Only driven the car home so far, seems a bit smoother (less low-speed hesitations) but maybe I'm imagining it. If you don't see any more posts from me, then I'm having no problems :-)

Overall my advice is, if your 1.8 TDCi is high mileage, and gets these symptoms, best to get all 4 injectors replaced, if you can afford it. They are a part that wears out and yes Ford can be criticised for using a part with relatively short life (and high replacement cost) but hey, they don't sell cars at cost price so that they can go on for ever and we never need expensive parts...




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