Choosing part 6G91-12A650-FG
Original, used part – engine control unit: the petrol engine control unit. Key codes to compare: 6G91-12A650-FG and ESU-312. Every part is tested before shipping.
Numbers on the label
| Label | Number (different formats) |
|---|
| Vehicle manufacturer number | 6G91-12A650-FG / 6G9112A650FG |
| Label code | ESU-312 / ESU312 |
| Label code | 4HCG |
We list the numbers in several formats – the way they are printed on labels and typed into search engines.
Application
Confirmed application of this number: Ford S-Max, Galaxy, Mondeo IV 2.0 Duratec-HE (2006–2010). The list is not closed – what matters is that the codes on your part’s label match: 6G91-12A650-FG and ESU-312.
Other versions in stock
Parts with other numbers – the number on your label decides: 6G91-12A650-VC ESU-412, 6G91-12A650-FJ ESU-312, 6G91-12A650-CG ESU-412, 7M51-12A650-VE ESU-411.
Programming
The control unit needs PATS (immobiliser) programming with FORScan or IDS. On request we can clone the data from your old unit.
Symptoms of a fault
- faults from several sensors at once,
- no communication with the control unit in diagnostics,
- engine does not start or stalls.
Similar symptoms can be caused by sensors, injectors, power supply or wiring – run a diagnosis before buying.
Warranty and contact
The part comes with a 6-month warranty. More parts: Ford Engine Control Units (ECUs). Question about a number? Contact us.
Frequently asked questions – 6G91-12A650-FG
| Question |
Answer |
| How do I check whether the part fits? |
Compare the codes on your part’s label: 6G91-12A650-FG and ESU-312. |
| Which cars does this part fit? |
Confirmed application: Ford S-Max, Galaxy, Mondeo IV 2.0 Duratec-HE (2006–2010). The label number has the final say. |
| Does the control unit need programming? |
The control unit needs PATS (immobiliser) programming with FORScan or IDS. On request we can clone the data from your old unit. |
| Is the part checked? |
Yes – it is a used part and every one is tested before shipping. |
