Threads Tagged with lean

3c, 40, backfire, bp4es, carburetor, ida, ignition, jet, lean, main, msd, ngk, remove, start, symptom, symptoms, weber

carburation difficulties: Updated

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1 2 3)

randomhick35 on 10-03-2006

12-14-2020 08:28 PM
by Spyerx

30

7,419

83lb, 944, 951, boost, cone, engine, filter, injectors, lean, maf, porsche, run, running, turbo, works

Lean Running MAF

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1 2)

tjbreen on 02-06-2010

06-09-2020 03:02 PM
by tjbreen

27

3,827

authority, car, chips, dme, idle, klr, lean, read, running, seconds

Lean Running Help

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1 2 3)

DanaT on 05-22-2010

05-31-2020 12:48 PM
by VDubDoug1982

30

3,717

997.2 Running lean Vacuum leak or AOS Need Help

jsfried18 on 04-03-2019

04-05-2019 08:51 PM
by jsfried18

4

1,796

997 Forum

bolts, car, condition, intake, intakes, leak, leaks, lean, loose, maf, make, manifold, rich, run, running

Does a leaky intake cause lean or rich running in a NA car?

TheOtherEric on 05-27-2008

03-13-2019 02:53 PM
by nine9six

9

30,766

993 Forum

944, 944s, 951, extremely, idle, leak, lean, low, lower, psi, rich, running, runs, turbo, vacuum

Does low vacuum induce rich condition? AFPR Questions too!

Ben951S on 04-01-2012

05-09-2017 01:01 AM
by F18Rep

13

10,834

ISV hisses, low vac, lean at idle. recent maf install

staplebus on 09-03-2010

03-28-2017 08:34 PM
by Black51

8

1,445

89, 928, 928s4, change, fuel, intake, lean, misfire, o2, oxygen, pcf, porsche, rich, running, sensor, spacers, temp

There she blows (928 S4 '89 manual running rich)

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1 2 3)

JakeS2 on 05-24-2013

08-02-2016 12:56 AM
by JakeS2

34

12,882

22, 87, adjust, adjustment, afm, boost, cut, idle, lean, lh, maf, mixture, porsche, rebuilt, volvo

LH 2.2 MAF/CO adjustment LED (85-86 US)

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PorKen on 01-11-2008

06-24-2016 05:14 AM
by John Speake

65

30,260

944, 951, af, cold, condition, idle, issues, lean, lindsey, maf, mafterburner, mafterburnner, motor, offset, ratio, running, turbo

Question about lean a/f ratio at idle with using Mafterburner

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1 2 3)

kasturbo on 02-28-2006

01-24-2016 02:25 PM
by RKT951

37

3,702

autothority stage 2 chip?

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1 2 3)

Marc944T on 06-08-2003

10-29-2015 09:35 PM
by Naplesguy06

30

4,922

Running VERY lean, out of options

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1 2)

eric951turbo on 06-21-2013

03-31-2015 09:43 PM
by Sixline

23

3,191

Ideal AFR with e85 at WOT? What is too lean?

fejjj on 09-09-2014

09-10-2014 01:13 AM
by blown 944

5

6,288

32, 911, cam, camshaft, cruise, drivability, exhaust, gear, idle, intake, lean, mix, overlap, porsche, resonance, sucking, surge, surging, symptoms, vacuum

Cam Overlap Surging, causes?

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1 2 3)

scarceller on 06-24-2010

05-05-2014 08:23 PM
by scarceller

38

6,039

928, bosch, cis, fuel, injection, injector, kjetronic, lean, pix, porsche, pressure, specs, system, testerfor, tronic

FUEL INJECTION TESTER FOR CIS-K-JETRONIC BOSCH SYSTEMS

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1 2 3 4)

ROG100 on 01-11-2010

03-20-2014 11:10 PM
by am

50

31,793

95, 951, 997, boost, e85, lean, mustang, power, powered, quotes, running, stock, stocks, tune, turbo, vbulletin

boost/power limit of stock fuel pump for E85

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1 2 3)

Paulyy on 01-07-2012

03-02-2014 09:05 PM
by Paulyy

39

4,057

930, advantages, cis, enrichment, euro, flowed, fuel, head, lean, pelican, porsche, running

FS: Euro fuel head/cis system for Porsche 930

speednme on 08-15-2013

12-11-2013 11:59 PM
by speednme

3

1,997

911 Turbo (930) Forum

aem, aemafr, boumce, doesnt, gauge, idle, lean, obd2, read, st, uego, wideband, writeup

AEM UEGO Install. Am I really running this lean at idle?

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1 2 3 4 5)

KenRudd on 10-19-2013

12-03-2013 02:14 PM
by KenRudd

60

28,563

83, 89, 944, ac, conversion, eaton, hood, lean, m90, maf, mixture, modification, na, porsche, removing, supercharging

Project: Eaton M90 s/c on '83 944

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1 2 3 4)

odonnell on 09-08-2013

09-11-2013 12:50 AM
by Raceboy

58

13,408

Racing & Drivers Education Forum

914, 951cc, detonation, fuel, lean, pics, plug, porsche, pre, problem, signs, spark

plug damage - lean, detonation, or both?

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1 2)

Oddjob on 07-30-2013

08-04-2013 12:13 AM
by rlm328

18

15,215

01, 03, 04, 05, 09, altima, cid, cid01, cid05, lean, p0420, rich, sensor, switch, tid, tid05, tid05cid01, tid09, time

P0420 on 2003 Targa

pieleapulii on 04-17-2013

07-28-2013 04:06 PM
by kpl

5

5,943

996 Forum

Running lean and hot

19psi on 07-24-2013

07-25-2013 10:22 AM
by SeanR

2

934

928, car, engine, fine, intake, lean, makes, midrange, misfire, normal, o2, porsche, run, runs, sensor, sesnors, unpluged, unplugged

Why does it run better with unplugged O2 sensor?

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1 2)

Hvithaien on 06-16-2013

06-19-2013 02:10 AM
by GregBBRD

15

59,624

94, 944, accelerates, car, concours, cuts, fine, foes, hesitates, hot, lean, leans, maf, randomly, restart, run, running, suddenly, turbo

Car will suddenly run lean and hesitate to accelerate

Windsor944T on 05-18-2013

06-09-2013 04:08 PM
by Windsor944T

7

3,759

bmw, deq, f350, lean, obd, plug, port, running

Passing DEQ

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montoya on 03-09-2013

03-10-2013 06:13 PM
by facelvega

21

1,272

997 GT2/GT3 Forum

89, 944, dying, filter, fuel, idling, lean, replace, turbo

89 944 turbo keeps dying... I need some help

951blur on 02-09-2013

02-09-2013 03:46 PM
by Chunkerz

5

902

Boxster & Boxster S (986) Forum

2006, 986, boxster, cayenne, cold, freezing, idle, idles, lean, porsche, rough, runs, start, starting, system, temperature, vent

Rough idle on cold start

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1 2)

ep3_lol on 01-28-2013

02-09-2013 09:43 AM
by amondc

20

13,483

928, 951, ac, battery, fans, forces, gauge, high, hot, lean, overheating, reading, running, speed, temp

Running Hot but Not Overheating

CyCloNe! on 01-25-2013

01-28-2013 05:02 PM
by CyCloNe!

11

10,729

124, 944, 996tt, afr, boost, driving, full, good, k276, lean, normal, numbers, running, throttle, turbo

BEST AFR numbers?

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joker2cv on 09-10-2012

10-13-2012 09:04 PM
by blown 944

19

3,922

911, bank, car, couple, cylinder, cylinders, lean, left, porsche, rich, run, running, targa, uneven, viper

One bank of cylinders running too rich?

MillenniumFalcon on 10-02-2012

10-03-2012 12:03 PM
by MillenniumFalcon

7

7,617

What should Wide band O2 read ?

Pete L on 08-30-2012

08-30-2012 08:35 PM
by PorKen

2

613

924, 944, boxster, cold, driveaway, high, hot, idle, lean, part, porsche, runs, stumble, stumbles, throttle, vacuum

Ideas? Stumbles cold. Perfect when hot except high idle.

flagtie on 07-16-2012

07-17-2012 01:44 AM
by River

3

870

997, air, banks, blowing, code, gt, hose, intake, leak, lean, pipe, plenum, porsche, runs, tt, turbo

997TT Air Intake Leak help

renntech36 on 06-22-2012

07-16-2012 02:51 PM
by phillipj

7

6,853

997 Turbo Forum

928, 944, broken, emissions, fuel, lean, location, o2, pass, porsche, rennlist, retap, retard, sensor, size, timing, wrench, xylene

O2 Sensor removal help

chriscross on 07-07-2012

07-07-2012 05:43 PM
by chriscross

7

1,096

944, bar, bung, cam, condition, exhaust, extremely, idle, leak, leaking, lean, map, rich, run, sensor, throttle, turbo, vehicle, voltage, wideband

Running very rich at idle, lean on throttle

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1 2 3)

doabarrelroll on 03-12-2012

07-04-2012 10:26 PM
by doabarrelroll

43

13,242

Adjustable FPR question

Canadian Wheelman on 06-08-2012

06-08-2012 06:04 PM
by Canadian Wheelman

0

345