Fuel injectors - Revision history

Geoff: /* Possible budget alternatives */

2026-03-25T18:08:36Z

‎Possible budget alternatives

Geoff: /* Tools */

2025-04-20T19:52:41Z

‎Tools

Geoff: /* Reinstalling */

2025-04-20T19:50:23Z

‎Reinstalling

Geoff: /* Tools */

2025-04-20T19:49:23Z

‎Tools

Geoff: /* Removal */

2025-04-19T13:28:30Z

‎Removal

Geoff: /* Tools */

2025-04-19T13:26:16Z

‎Tools

Geoff: /* Known good references and equivalents */

2025-04-15T21:05:21Z

‎Known good references and equivalents

Geoff: /* Normally aspirated */

2025-04-15T19:54:11Z

‎Normally aspirated

Geoff: /* Possible budget alternatives */

2025-04-15T19:07:28Z

‎Possible budget alternatives

Geoff: /* Known close alternatives */

2025-04-15T18:24:26Z

‎Known close alternatives

← Older revision		Revision as of 18:08, 25 March 2026
Line 22:		Line 22:

	[[File:OEM_and_Defus.jpg\|200px]]		[[File:OEM_and_Defus.jpg\|200px]]
		+
		+	Update: Finally put the car in for an MoT and it passed no problem. Certainly feels fine with WOT all the way up to 7000 RPM. Geoff 25/03/2026

	== Known close alternatives ==		== Known close alternatives ==

@@ Line 46: / Line 46: @@
 === Tools ===
-Tools Needed:
+==== Tools Needed ====
 mm socket
@@ Line 62: / Line 62: @@
 T-27 Torx bit
-Tools Optional:
+==== Tools Optional ====
 mm ring spanner - useful for guiding and aligning the top of the injectors when replacing
 /8" flexible extension - useful for accessing the fuel pressure regulator (T-27) retaining bolt
 === Removal ===

@@ Line 116: / Line 116: @@
 . Carefully replace the small clips and plug the electrical connectors onto the injectors. The clips should snap into position when the connector is fully located.
-. Replace the wire cover and connect the (2) 10mm bolts.
+. Replace the wire cover and connect the (2) 10mm bolts, making sure the spacers are in place in the plastic lugs.
 . Connect the battery.

← Older revision		Revision as of 19:49, 20 April 2025
Line 61:		Line 61:

	T-27 Torx bit		T-27 Torx bit
		+
		+	Tools Optional:
		+
		+	14mm ring spanner - useful for guiding and aligning the top of the injectors when replacing
		+
		+	3/8" flexible extension - useful for accessing the fuel pressure regulator (T-27) retaining bolt

	=== Removal ===		=== Removal ===

@@ Line 80: / Line 80: @@
 [[Image:Fuel rail clip 1.JPG]]
-. Remove the fuel pressure regulator. A T-27 Torx screw and gently pry the regulator off the end of the fuel rail. It is held in by an O-ring. Mine was in there rather securely. Have an old rag underneath before removing as some fuel will spill out from the rail.
+. Remove the fuel pressure regulator. A T-27 Torx screw and gently pry the regulator off the end of the fuel rail. It is held in by an O-ring. It is held in rather securely as there is a retaining lip on the fuel rail but some penetrating oil made it a lot easier. Have an old rag underneath before removing as some fuel will spill out from the rail.
 [[Image:Fuel Pressure Regulator 1.JPG]]
@@ Line 88: / Line 88: @@
 . Remove the (2) 12mm fuel rail bolts.
-. Carefully push the fuel rail up. The injectors are held in place now only by their O-rings, but they will be solidly in place. Work slow, maybe first at one end of the rail, then the other and it should pop up however mine  were so solid that I had to use a pry bar to remove the injectors.
+. Carefully push the fuel rail up. The injectors are held in place now only by their O-rings, but they will be solidly in place. Work slow, maybe first at one end of the rail, then the other and it should pop up however mine  were so solid that I had to use a pry bar to remove the injectors. A spray of penetrating makes the job a lot easier.
 . Remove the injectors. They will still be attached either in the rail or in the intake. Either pull or *gently* pry them out. Again I had to use the pry bar to remove the injectors from the fuel rail.

@@ Line 54: / Line 54: @@
 Socket extension
-Needle-nose pliers
+Needle-nose pliers and/or 6" cross leg tweezers
 Die pick (I used a thin flat screwdriver)

@@ Line 3: / Line 3: @@
 = Turbo =
-== Known good equivalents ==
+== Known good references and equivalents ==
 Borg-Warner BWD 57025

← Older revision		Revision as of 19:54, 15 April 2025
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	= Normally aspirated =		= Normally aspirated =
		+
		+	.

	= General =		= General =

@@ Line 15: / Line 15: @@
 Defus 17089116 - From Aliexpress at a very reasonable price
-Physically very similar, just 2mm shorter:
+They are marked with the correct manufacturer code (8170866110) and physically are very similar (just 2mm shorter) BUT they are 2.7ohms and not 2.0ohms.
 [[File:OEM_and_Defus.jpg|200px]]

@@ Line 25: / Line 25: @@
 The RC PL8-550 (Bosch Style Top) compared to the stock injector
-[[Image:RC PL8-550 vs Stock Injector.jpg]]
+[[Image:RC PL8-550 vs Stock Injector.jpg|200px]]
 RC Engineering's replacement for the stock injector is part number PL2-320 (Peak and Hold, Bosch connector, 320 cc/min). Although some people have apparently successfully used the RC injectors, the size and form are not identical to the originals.