Skip to content
View in the app

A better way to browse. Learn more.

Ford Owners Club - Ford Forums

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.



Join the Independent Ford Owners' Club

Our community has been built by enthusiasts, for enthusiasts, and proudly run by Ford owners' for over 18 years. As an independent, non-official club, everything you’ll find here, advice, support, and opinions, comes directly from members with genuine Ford ownership experience.

Join our friendly community... it's Free!

 

Engine Management Light - Error P1204

Featured Replies

Hey all

The problem:
Today after starting the car after work, the EML came on (amber), car would now rev higher than 1500 rpm and sounded like it was running on 2-3 cylinders. I have had this problem before a few times, all I have had to do is turn off the car and wait a short time and fire it up again, problem then goes away (for a while)
Today however, the problem seems to be really bad, it took me 3 attempts to drive about 22 miles. That is the bizarre point, I can inbetween the EML being on, drive quite normal.
The car will occasionally jump, the best way I can explain is when a petrol car would misfire and there is a hesitation. Sometimes this happens on acceleration or deceleration.
Also now noticed that the traction control light is also on, however now the EML is red no longer amber
I spent £30 and called a mobile diagnostic technician. Found the following error codes:
P1204 - Injection circuit open/short circuit cylinder 4
General failure information - no sub type information
U0405 - Invalid data received from speed control module
General failure information - no sub type information
U0401 - Invalid data received from engine control module/powertrain control module
Algorithm based failure - event information
B112B - Steering wheel module
General failure information - mechanical failure
U0010 - Medium speed CAN communication bus
General failure information - no sub type information
U0199 - Lost communication with door control module A
General failure information - no sub type information
U0200 - Lost communication with door control module B
General failure information - no sub type information
So he has cleared all the codes for me and suggested I get the P1204 injector issue sorted, may need a new injector and coding or a refurb and coding. Also said I had a networking issue going on somewhere, he suggested I take it to Ford direct as networking issues can be really difficult to troubleshoot.
Any ideas what an injector for this car would cost new/refurbed (if possible) and an injector reocde?


for one injector, you could be looking at £80 - £200 depending on what you get your hands on (recon, through to new). Then coding would be about £50 - £80.

The other issues appear to be wiring related, sounds like you have either a bad harness, possible water ingress, or bad connections on the fuseboard / fuse box etc

Latest Deals

Ford UK Shop for genuine Ford parts & accessories

Disclaimer: As the club is an eBay Partner, The club may be compensated if you make a purchase via the club

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

The "Digestive"






Background Picker
Customize Layout

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.