038130073L Unit Injector – OE-Grade PD Replacement (0414720) For VW 1.9/2.0 TDI – Optimized For Stable Idle & Load Response

Thaum lub tshuab hluav taws xob sib xyaw ua ke muaj cov ncauj lus tseem ceeb, Pumpe-Düse (PD) architecture tseem yog tus qauv rau kev sib xyaw ua ke ntawm hluav taws xob hluav taws xob - thiab 038130073L injector zaum ntawm nws cov tub ntxhais. Tsis zoo li rail-pressure-controlled systems, chav tsev injector no ua ke nrog high-pressure tiam thiab txhaj tshuaj ntsuas hauv ib lub cev. Nws tus cwj pwm tiag tiag hauv ntiaj teb, txawm li cas los xij, tsis yog tswj hwm los ntawm cov lej siab tshaj plaws tab sis los ntawmenergising-rau-qhibncua - lub qhov rais sub-millisecond uas dictates combustion pib. Lub 038130073L, bearing cross-reference 0414720, yog calibrated kom txo tau qhov latency no nyob rau hauv ib tug dav kub band, kom ntseeg tau tias ECU cov commanded start-of-injection (SOI) match tiag koob nqa nyob rau hauv ± 0.2℃crank lub kaum sab xis - ib tug tolerance uas ncaj qha cuam tshuam.

Qhov kev hloov kho no feem ntau tau teev tseg rau yav dhau los 1.9 TDI PD cov cav uas xav tau cov lus teb sai me ntsis solenoid piv rau tom qab BN versions. Cov ntawv thov uas tau lees paub muaj xws li:

1.9 TSI 100-130 CV- cav codesAVB, AXR, BEW, BEW(North American variants), thiab tej yamBLStsim nrog emission calibrations thaum ntxov.

2.0 TSI PD (140HP)- cov caiBKDthiabAZVua ntej nruab nrab xyoo 2006, qhov "L" cov lus xaus qhia txog kev hloov kho qhov kev txhaj tshuaj rau kev txo cov suab nrov.

Lub tsheb haum- Golf Mk4/Mk5, Jetta, Bora, Passat B5.5, Touran, Octavia I, Leon I - ib txwm txheeb xyuas ntawm tus lej PR ntawm lub tsheb daim ntawv nplaum (xws li,T15rau siab PD).

Daim ntawv tseem ceeb:038130073L yogtsis yogib qho kev hloov ncaj qha rau BN variant hauv cov cav uas xav tau EURO IV + txwv tsis pub haus luam yeeb; siv nws tom qab BMN lossis BUK lub cav tsis muaj ECU recalibration tuaj yeem ua rau qee zaus over-fueling ntawm siab RPM.

Kev cob qhia feem ntau obsess tshaj qhov tseem ceeb, tab sis 038130073L qhov tseeb lub zog nyob hauv nwspenetration-vs-atomisationtshuav nyiaj li cas. Lub 148℃lub khob hliav qab thiab 5-qhov kev npaj tsim cov tee dej nrog Sauter Mean Diameter (SMD) ntawm kwv yees li 18 µm ntawm tag nrho cov load - zoo txaus rau kev ua kom tiav kev sib txuas tsis tau zoo txaus kom tsis txhob muaj phab ntsa ntub dej hauv lub tais tob ntawm PD pistons. Qhov no ua qhov tseem ceeb thaum lub cav khiav ntawm biodiesel blends (B20-B30); L hloov kho lub koob nqa profile tsim ib lub sijhawm ntev ntawm kev tsav tsheb thiab cov kev txhaj tshuaj loj, muab cov roj molecules hnyav dua sijhawm ntxiv rau vaporise. Cov pov thawj kev kuaj mob qhia tau hais tias cov cav uas nruab nrog cov tshuaj no muaj 15-20% qis dua qhov pom ntawm lub sijhawm nrawm nrawm piv rau cov khoom lag luam tom qab, txawm tias tsis muaj DPF kho vajtse.

✔ UaHloov cov tooj liab sealing tshuab nrog OEM-spec crushing nplhaib - nruj torque rau tuav-down bolt yuav tsum yog35 Nm + 90 degree(tsis yog 40 Nm, uas over-stresses aluminium lub tog raj kheej taub hau).
✔ Uantsuas lub solenoid tsis kam ua ntej haum; Qhov tseem ceeb sab nraud ntawm 0.85-1.10 Ω ntau qhia tau hais tias sab hauv winding kev nyuaj siab los ntawm yav dhau los overheating - tsis lees paub ib feem.
✔ UaUa qhov "kawm" hloov kho siv cov cuab yeej kuaj mob: tom qab kev teeb tsa, khiav lub cav ntawm qhov tsis ua haujlwm kom txog thaum lub qhov txias txias txog 80 degree, ces ua "Injector Calibration" (VCDS block 013) - qhov sib txawv yuav tsum nyob hauv± 0.8mg / mob strokerau qhov L variant no (BN tso cai rau ± 0.5, tab sis L's wider kam rau ua rau nws cov laus cav tsev neeg).
✖ Tsis txhobrov siv lub injector clamp bolts - lawv yog torque-rau-yield; rov siv lawv tuaj yeem ua rau tsis sib xws clamping thiab asymmetric koob hnav hauv 10,000 km.
✖ Tsis txhobtsis quav ntsej txoj kab rov qab O-ring - lub nplhaib tawv tawv yuav qhia huab cua rau hauv cov roj hluav taws xob, ua rau lub tshuab tsis raug.

Txawm hais tias PD systems tsis muaj lub twj tso kua mis siab sib cais, 038130073L sib txuas lus nrog ECU zoo ib yam li cov twj siv hluav taws xob. Ob leeg tso siab raupilot-quantity khothiabcylinder-balance tawm tswv yimmuab tau los ntawm crankshaft ceev fluctuations. Thaum cov tshuaj no muaj hnub nyoog, qhov raug DTCs - P0203 (injector circuit malfunction) los yog P0301 (misfire lub tog raj kheej 1) - feem ntau tshwm sim ua ke, tab sis lub hauv paus ua rau yog yuav luag ib txwm ib tug sluggish solenoid armature es tsis txhob thaiv. Kev sim ceev: piv covlub sijhawm muaj zogyuav tsum tau mus txog tib qho kev txhaj tshuaj kom muaj nuj nqis ntawm qhov kub tsis ua haujlwm; Yog tias nws siab tshaj 1.2 ms (lub Hoobkas hauv paus yog 0.9 ms), sab hauv hydraulic rub tau nce - hloov tsis huv, vim tias lub plunger-chim haum tsis tuaj yeem ua haujlwm.

Q1: Yuav ua li cas kuv pom qhov txawv ntawm 038130073L los ntawm BN version?
Saib ntawm lub tsev solenoid sab saum toj - L hloov kho me me "L" stamped tom qab tus lej xya tus lej ntawm lub tiaj tus, thiab nws cov hluav taws xob txuas tus pin lub kaum sab xis yog 12℃offset (BN yog 10 degree). Tsis tas li ntawd, L version qhov rov qab roj lub txiv mis yog luv me ntsis (21 mm vs . 23 mm), uas cuam tshuam rau txoj kev hose ntawm qee qhov kev noj haus.

Q2: Kuv puas tuaj yeem nruab ib qho 038130073L ntawm peb BN txhaj tshuaj?
Technically yog, tab sis cia siab tias lub tog raj kheej-rau-lub tog raj kheej kho qhov tseem ceeb hauv VCDS txawv ntawm ntau dua 1.2 mg / stroke, ua rau pom kev vibration ntawm 1,800-2,200 rpm. Peb pom zoo kom hloov tag nrho plaub lub injectors los ntawm tib tsev neeg kho dua tshiab, los yog tsawg kawg yog khub L injectors ntawm tib lub tog raj kheej lub txhab nyiaj (yog tias tsim nyog) - txawm tias PD cav yog inline-4, yog li nws yog tag nrho ib lub txhab nyiaj.

Q3: Lub tshuab no puas ua haujlwm nrog cov roj zaub lossis cov roj viscosity siab?
Lub 038130073L qhov loj me me sab hauv clearances ua rau nws marginally siab ntev ntawm high-viscosity fuels tshaj BN. Txawm li cas los xij, koj yuav tsum txo cov roj kub kom qis dua 60℃kom tsis txhob siv rab koob - thiab ib txwm siv ob lub tank nrog kev ntxuav kom huv ua ntej kaw. Peb tawm tswv yim tawm tsam 100% SVO, tab sis B30 blends tau txais nrog kev hloov roj ntau zaus.

Q4: Tom qab haum, lub cav pib zoo tab sis stalks thaum hloov mus rau hauv iav - dab tsi tsis ncaj ncees lawm?
Feem ntau yuav, qhov kev hloov pauv qhov tseem ceeb rau qhov tsis muaj kev ruaj ntseg tsis tau rov pib dua. Ua ib qho throttle-pedal relearn (ignition on, engine off, press pedal full for 5 seconds, release, then start) thiab rov ua dua lub injector calibration nrog lub cav sov. Yog tias qhov teeb meem tshwm sim, xyuas lub twj tso kua mis tandem siab - L injector yuav tsum muaj tsawg kawg yog 0.8 bar pub siab, hos cov twj qub tuaj yeem xa tsuas yog 0.5 bar thaum hnav.

Q5: Yuav ua li cas lub neej ntawm lub nozzle qhov nyob rau hauv high-sulfur roj cheeb tsam?
Sulfur erodes the VCO orifice edges, widening the holes by roughly 2 µm per 50,000 km. With the L's narrower cone (148°), this erosion shifts the spray pattern more dramatically, increasing smoke. We recommend a nozzle inspection at 80,000 km if using fuel with >500 ppm sulfur - hloov yog tias ib lub qhov pom pom asymmetry nyob rau hauv lub iav magnifying.

Q6: Kuv puas yuav hloov kho ECU software thaum txhim kho 038130073L tshiab?
Tsis tas yuav tsum tau, tab sis heev advisable. Ntau lub suab nkauj qub tau nyob hauv daim duab qhia kev zoo rau L's solenoid inductance; Txawm li cas los xij, yog tias koj lub tsheb yav dhau los tau hloov kho sib txawv, ECU tau kawm "zero-quantity" offsets yuav dhau los. Kev hloov kho firmware sai rau qhov tseeb OEM calibration (los yog ib daim ntawv qhia theem-1 uas qhia txog L injectors) yuav qhib smoother txias pib thiab txo qhov kev pheej hmoo ntawm intermittent P1252 code (implausible txhaj kom muaj nuj nqis).

Txhawm rau ua kom koj qhov kev yuav khoom tau yooj yim thiab yooj yim, peb muab ntau yam kev xaiv them nyiaj ruaj ntseg:

Hloov txhab nyiaj

Txhawb ntau yam nyiaj txiag thiab kev them nyiaj hauv tuam txhab.

Western Union

Kev hloov nyiaj sai thiab thoob ntiaj teb.

PayPal

Kev nyab xeeb thiab yooj yim them nyiaj online.

Alibaba

Txaus siab rau kev tiv thaiv ntxiv nrog kev ntseeg siab Alibaba kev lag luam.

Peb nyob ntawm no los ua kom koj cov txheej txheem xaj kev txhawj xeeb-dawb - xaiv txoj kev them nyiaj uas ua haujlwm zoo tshaj rau koj!

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