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DEW10J4 or EW10J4 (RFR vs. RFN)
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neilneil2000

Posted: Fri Jun 17, 2016 10:06 am

Joined: Apr 26, 2015
Posts: 93
Trade Rating: 0

Hi all, I have a W-reg 206 GTi (pre-plex) with "RFR" in the VIN. Does this mean I have the "DEW10J4" engine variant? And if so, what's different to the "EW10J4" variant?

Last edited by neilneil2000 on Fri Jun 17, 2016 6:54 pm; edited 1 time in total

Edward

Posted: Fri Jun 17, 2016 1:59 pm

Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage

A Y reg should have an RFN which means it has two lambda sensors.


	2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible.

neilneil2000

Posted: Fri Jun 17, 2016 6:55 pm

Joined: Apr 26, 2015
Posts: 93
Trade Rating: 0

That's because I put the wrong letter. It's a W-reg!

Edward

Posted: Fri Jun 17, 2016 8:31 pm

Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage

As far as I know the only difference between RFN/RFR ew10 engines is the two lambdas. Although some earlier engines had adjustable vernier pulleys. There might have been other minor differences too.


	2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible.

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