21 - Honda-Tech - Honda Forum Discussion

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131, 21, b16a2, b18, blox, breather, buddy, cam, chamber, club, headers, honda, lsvtec, motor, oil, tech, tri

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►Official All Motor Dyno Thread!

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Nick M on Apr 5, 2006

Oct 29, 2025 01:54 AM
by drake22

1,507

1,349,374

All Motor / Naturally Aspirated

21, 22, bypass, civic, code, fix, heavy, honda, oil, out, pressure, solenoid, switch, valve, vtec

code 22 (vtec pressure valve) help..

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1 2)

sevenfc on Jul 30, 2009

Dec 28, 2022 05:01 AM
by Carvin

36

81,176

Honda Civic / Del Sol (1992 - 2000)

21, cel, check, checksum, chipped, code, comparison, ectune, engine, light, p28, po6, remove, solid, stock, uberdata

Solid check engine light? with chipped p28

P h i l on Jul 27, 2006

Oct 14, 2020 01:48 PM
by Donny82

21

23,354

Tech / Misc

2009, 2010, 21, 245, 2454518, accord, fit, fitting, honda, onrims, rim, rims, specs, technical, tire

Question on rims fitting...

RedHonda on Jan 10, 2010

May 7, 2020 09:15 PM
by Sabastian White

9

5,617

Honda Accord & Crosstour (2003 - 2012)

b16a2

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1 2)

zb16a2 on Dec 30, 2005

Oct 5, 2019 10:31 AM
by matt cade

35

4,643

Honda Civic / Del Sol (1992 - 2000)

21, 94, accord, code, honda, integra, odyssey, oil, pressure, screen, sensor, solenoid, spool, valve, vtec, wiring

code 21? oil pressure sensor or whole vtec solenoid?

Sean5826 on Aug 2, 2008

Nov 14, 2018 12:49 PM
by wunfstgsr

20

35,236

Acura Integra

21, clear, code, d15, d15b, ecu, jdm, kick, plug, pressure, sensor, solenoid, solonoid, switch, usdm, vtec, vtech

D15b vtec: Vtec Solenoid???

IHEARTMYHONDA91 on Nov 1, 2008

Jun 29, 2017 09:47 AM
by DezzieKingStre

21

14,576

Honda Civic / Del Sol (1992 - 2000)

2011, 21, build, chop, collector, collectors, exhaust, flanges, headers, make, making, merge, solidworks, trim, tube

Help with merge collectors - SolidWorks

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1 2)

RadekSkylark on May 14, 2011

Feb 21, 2017 06:35 AM
by tahreem94

30

27,701

Welding / Fabrication

21, 22, cel, check, code, codes, dented, engine, honda, intermittent, light, oil, pan, prelude, vtec

Assistance Please: No VTEC engagement - intermittent problem - Code 21 & 22

Jimmy on Jul 29, 2010

Oct 22, 2016 08:58 AM
by GSRcivicSon

7

6,680

All Motor / Naturally Aspirated

10, 21, 67, 90, 92, accord, check, code, codes, engine, honda, hondaobd1, obd, obd1, odb, trouble

OBD1 Trouble Codes

jdmd15crx on Jul 30, 2008

Aug 18, 2016 06:45 PM
by Former User

7

368,644

Honda CRX / EF Civic (1988 - 1991)

21, cap, code, d16z6, da, defaut, ef, honda, obd1, open, rad, radiator, stuck, swap, thermostat

d16z6 Swap Questions- Da Rad- Code 21

1g on Jan 29, 2008

Jan 15, 2015 08:42 AM
by lilrider250

6

1,828

Honda CRX / EF Civic (1988 - 1991)

21, code, custom, d15b, d15b2, harness, honda, obd0, obd1, swap, vtec, work

Simple Question D15B OBD1 Harness vs OBD0 Custom

VegasEFHB on Jan 16, 2006

Oct 15, 2014 12:22 PM
by crx_si-r

10

2,221

Honda CRX / EF Civic (1988 - 1991)

20, 21, 88, 8991, 91, civic, count, counts, ef, honda, si, spline, tranny, transmission, transmissions

Transmission Spline Pattern in 88-91 EF's ??

Ruby Civic on Oct 5, 2002

May 30, 2014 03:48 AM
by Mongst

7

13,741

Tech / Misc

14, 21, 378, base, built, carrollton, del378ft, design, h22, h22a, limits, portflow, poundfeet, psi, tx, whp

Built H22-505 whp and 378 ft-lbs at 21 psi

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1 2)

Quaalude on Apr 23, 2005

Mar 21, 2014 02:12 PM
by NotARaCist

31

4,374

Forced Induction

21, dc, dc5, exhaust, header, itr, js, lower, manifold, racing, rsx, s, sale, stock, type, vs

fs: DC5/rsx-type s J's Racing 2-1/itr oem 4-2 exhaust manifold

clean3two3 on Jul 21, 2011

Aug 30, 2013 01:04 PM
by jnabdc509

5

2,178

Southern California (Sales)

21, 81mm, b16, block, bore, crower, dsm, gsr, honda, kit, max, package, pistons, rpm, stroker

crower 2.1 stroker kit for gsr

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1 2)

texas69 on Sep 9, 2011

Feb 5, 2013 04:37 PM
by xxjonxx4

32

21,507

All Motor / Naturally Aspirated

1996, 2011, 21, civic, crx, engine, gas, hatchback, hb, honda, mileage, oregon, sale, sipper, vx

CA

1993 CIVIC VX HATCHBACK HATCH BACK SEMI-RACE GAS SIPPER!

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1 2)

VX on May 14, 2011

Jan 10, 2013 03:51 AM
by kreggor

37

8,944

Vehicles for sale

21, code, dtc, flowchart, honda, limp, lock, mode, selonoid, shooting, sohc, solenoid, trouble, vtec, wire, work

vtec selonoid stays lock

KRZRICAN on Feb 2, 2009

Dec 27, 2012 05:09 PM
by TrevorJohnson1

6

4,944

Honda CRX / EF Civic (1988 - 1991)

21, 92, 95, cel, check, civic, code, codes, crx, del, engine, flash, honda, light, s2000, sol, spool

How To Pull CEL, D4, SRS, and ABS Codes (with Code Lists)

pdiggitydogg on Feb 21, 2007

Jul 20, 2012 11:16 AM
by Former User

5

836,994

Honda Civic / Del Sol (1992 - 2000)

2012, 21, 3balls, attack, balls, columbus, day, facebook, mid, midohio, ohio, photos, raceway, racing, things, time, track

Mid-Ohio Track Day - May 21st 2012!!!

Paluce on May 1, 2012

May 18, 2012 05:36 PM
by what gsr

14

2,313

Road Racing / Autocross & Time Attack

14, 21, 3inch, 60, 98, auto, civic, ek, exhaust, ft, good, hatch, mile, stock, street, tires

Can not break 13's

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1 2)

egjdmh22a on Apr 23, 2012

Apr 30, 2012 08:16 AM
by egjdmh22a

36

3,801

Drag Racing

OK

Set of Drag DR-21s w/ Tires $450 + Shipping

DKPR87 on Apr 25, 2012

Apr 27, 2012 01:04 PM
by ank009

1

677

Wheels

2012, 21, april, bellingham, car, county, honda, import, play, powered, show, shows, sports, vbulletin, wa, whatcom

ImportMeet.com Spring Show & Shine - April 21, 2012

9K-S2K on Mar 20, 2012

Apr 26, 2012 10:05 PM
by 9K-S2K

4

2,709

Northwest

2012, 21, april, coast, door, east, honda, mir, performance, photos, pictures, race, racing, vidio, warz

Nyce1s Photo Coverage - East Coast Door Warz @ MIR 04-21-2012!!!

nyce1 on Apr 21, 2012

Apr 26, 2012 07:32 AM
by nyce1

13

3,192

Drag Racing

2012, 21, 22, april, atl, atlanta, car, georgia, honda, ia, iowa, meet, meets, tech, varsity

Varsity Meet (ATL)| April 2012 | Khris H.|

EJ_ALLMOTA on Apr 7, 2012

Apr 16, 2012 01:57 AM
by dragged

19

3,878

Honda / Acura

21, 212mm, 87, clutch, disc, honda, prelude, si, spline

how to find a 212mm plate for 21 spline clutch

crxguy406 on Apr 14, 2012

Apr 15, 2012 03:26 PM
by crxguy406

10

5,397

Honda CRX / EF Civic (1988 - 1991)

21, 212mm, 84, 90, clutch, crx, honda, input, mainshaft, prelude, si, spline, splines, tranny

tranny input spline question

mrtoastyjr on Mar 10, 2006

Apr 14, 2012 09:34 AM
by crxguy406

6

1,850

Honda CRX / EF Civic (1988 - 1991)

21, 22, advance, belt, cb7, cel, change, fix, h22a1, marks, slider, time, timing, tolong, write

H22A1 Timing Belt Question

Skitso's CB7 on Feb 14, 2012

Mar 24, 2012 09:50 PM
by Skitso's CB7

11

3,131

Honda Accord (1990 - 2002)

1998, 20, 21, 68, b16, cel, check, civic, code, engine, honda, light, p28, problem, tech

CHECK ENGINE LIGHT CEL CODE 68??

adrianlai87 on Mar 21, 2012

Mar 22, 2012 07:32 AM
by grumblemarc

12

14,026

Honda Civic / Del Sol (1992 - 2000)

21, 92, cel, check, civic, code, codes, del, engine, honda, light, si, sol, tech, vtec

Check engine light help code 21

yungjmoneyboy on Mar 15, 2012

Mar 15, 2012 03:52 PM
by Former User

3

7,388

Honda Civic / Del Sol (1992 - 2000)

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