Maintenance, Problems & Troubleshooting

companies who will remove precats for you

Started by kanujunkie

Pages1 2 3 ... 9

Replies: 223
Views: 270,117

April 12, 2026, 14:17
by rajid

Members with OBD II Code Readers

Started by carl_evs

Pages1 2 3 ... 12

Replies: 290
Views: 280,084

February 9, 2025, 15:42
by Hawko

Pre-cats: The Official MR2-ROC Information Thread

Started by Anonymous

Pages1 2 3 ... 12

Replies: 295
Views: 345,463

October 14, 2024, 19:13
by Ardent

PLEASE READ - MR2ROC – Useful Links for Members old and new.

Started by Anonymous

Pages1 2

Replies: 28
Views: 90,567

April 13, 2023, 10:12
by Gibla

Precat removal - How I did it...

Started by GSB

Pages1 2 3 ... 21

Replies: 504
Views: 382,027

March 14, 2022, 20:36
by Call the midlife!

Your comments please (generic O2s)

Started by spit

Pages1 2 3 ... 7

Replies: 150
Views: 227,088

December 5, 2020, 19:41
by BahnStormer

Pre-cat /Oval Bore Engine Failure Register

Started by StuM

Pages1 2

Replies: 37
Views: 115,832

March 16, 2020, 06:18
by pistol pete

Pre Post Facelift Engine Numbers

Started by wbarrwebster

Pages1 2 3 ... 5

Replies: 101
Views: 175,239

September 11, 2017, 09:08
by alancsalt

Fuel tank undertray/proteector

Started by ucb

Replies: 2
Views: 258

May 14, 2026, 21:07
by ucb

Classic P0420 "Bank 1" error - anything to do before replacing the O2 sensor(s)?

Started by BahnStormer

Replies: 4
Views: 301

May 13, 2026, 12:34
by Gaz mr-s

Unusual vibration at idle

Started by Craigjm

Replies: 1
Views: 550

May 12, 2026, 16:19
by BahnStormer

Bump stop confusion

Started by househead

Replies: 12
Views: 679

May 11, 2026, 20:45
by Beachbum957

How does the horn work?

Started by Craigjm

Replies: 4
Views: 284

May 11, 2026, 12:16
by Craigjm

Jack stand pads

Started by VN

Replies: 16
Views: 599

May 6, 2026, 20:17
by househead

Front caliper

Started by Newbie57

Replies: 8
Views: 333

May 6, 2026, 12:50
by househead

Rear quarter removal

Started by Newbie57

Replies: 3
Views: 350

May 5, 2026, 13:22
by Pete McCue

Burning clutch, clutch drag ?

Started by bobo83

Replies: 16
Views: 2,581

April 29, 2026, 20:07
by Ardent

Toyota MR2 service and maintenance

Started by mars26

Replies: 3
Views: 310

April 29, 2026, 03:20
by Craigjm

Toyota Direct Parts Discounted ( until end of April) Service kits

Started by Joesson

Replies: 1
Views: 252

April 28, 2026, 22:16
by The Other Stu

2026 Tyres - up to date recommendations? For 15” wheels

Started by rajid

Pages1 2

Replies: 37
Views: 1,851

April 27, 2026, 10:09
by Iain

My soft top will not fold down beyond 1/2 way ???

Started by 75W-90gbox

Replies: 16
Views: 1,730

April 26, 2026, 19:58
by fawtytoo

Valve stem seals - replacement

Started by robinl

Replies: 6
Views: 386

April 26, 2026, 09:14
by Carolyn

What is this?

Started by Craigjm

Replies: 4
Views: 324

April 24, 2026, 23:49
by Craigjm

“Roadster” badge location on the rear lid

Started by rajid

Replies: 4
Views: 339

April 24, 2026, 22:29
by Ardent

SMT leak, from gearbox or hydraulic?

Started by rajid

Pages1 2 3

Replies: 53
Views: 3,149

April 21, 2026, 07:01
by Ardent

Timing chain cover - possible in situe?

Started by simonrobinson

Replies: 7
Views: 1,048

April 17, 2026, 11:12
by simonrobinson

Mystery - why won’t it start?

Started by poprock

Replies: 15
Views: 716

April 15, 2026, 09:35
by cptspaulding

Petrol tank electrical plug

Started by Pete McCue

Replies: 10
Views: 1,691

April 6, 2026, 20:10
by Pete McCue

Crankshaft Pulley

Started by Whisperhead

Replies: 11
Views: 3,528

March 27, 2026, 16:51
by Carolyn

Have I messed up my new brake caliper?

Started by Nomad

Pages1 2

Replies: 26
Views: 3,977

March 25, 2026, 22:08
by Nomad

MOT Fail - Emissions

Started by valguss2001

Replies: 12
Views: 3,853

March 18, 2026, 19:34
by Nomad

Engine vent collapsed

Started by Craigjm

Replies: 1
Views: 952

March 16, 2026, 18:59
by Gaz mr-s

Hardtop and Engine Bay Lid Issue

Started by MrAndyP

Replies: 19
Views: 2,533

March 12, 2026, 20:39
by StuC

Are brake and clutch hydraulic system connected?

Started by Nomad

Replies: 4
Views: 1,288

March 9, 2026, 20:43
by Nomad

No power from working battery

Started by Paianni

Pages1 2

Replies: 47
Views: 5,345

March 9, 2026, 15:45
by Paianni

How to remove the door window trim seal

Started by fawtytoo

Replies: 0
Views: 732

March 2, 2026, 13:16
by fawtytoo

Facelift manual PDF

Started by VN

Replies: 5
Views: 1,199

March 2, 2026, 12:52
by Ardent

Torque specs for underbody bracing bars

Started by Nomad

Replies: 1
Views: 880

March 2, 2026, 07:03
by Ardent

Rear Subframe

Started by valguss2001

Replies: 7
Views: 2,479

February 28, 2026, 10:05
by valguss2001

Brake master cylinders

Started by moca2cv

Replies: 7
Views: 1,518

February 26, 2026, 22:27
by moca2cv

Clutch master cylinder

Started by billyw

Replies: 4
Views: 1,189

February 22, 2026, 23:06
by Ardent

Doubts about the oil level in the gearbox of a 2004 Mr2 6-speed manual.

Started by alexcap

Pages1 2

Replies: 37
Views: 10,563

January 14, 2026, 21:06
by Carolyn

Water leak!

Started by Lewisevo

Replies: 13
Views: 8,303

December 10, 2025, 14:09
by Lewisevo

Head Gasket Replacement - Feasibility

Started by Whisperhead

Replies: 7
Views: 4,763

December 9, 2025, 21:47
by Ardent

New Exhaust manifold fitment

Started by robinl

Replies: 19
Views: 5,661

December 1, 2025, 19:46
by Gaz mr-s

Toyosporr

Started by Newbie57

Replies: 4
Views: 2,502

November 29, 2025, 11:53
by Newbie57

Manifold

Started by Newbie57

Replies: 6
Views: 11,934

November 28, 2025, 17:18
by Newbie57

PO141

Started by windysurfer

Replies: 3
Views: 3,004

November 25, 2025, 13:40
by Joesson

Misfire intermittent / coolant leak

Started by H2zzMRA

Pages1 2 3

Replies: 57
Views: 29,437

November 21, 2025, 10:58
by Joesson

Clonking from OSR

Started by ruud2boy

Pages1 2

Replies: 31
Views: 108,727

November 20, 2025, 16:44
by ruud2boy