3420 - Fuel Injection Pressure Tester

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Detect bad fuel pumps, bad pressure regulators, leaking injectors and clogged fuel filters Includes 3-1/2" (90mm) gauge with dual calibration (5-145 PSI / 25-1,000 kPa), hose assem bly, and adapters For early CIS Fuel Injection systems, plus some later model BMWs For expanded application range, see #3422 CIS Upgrade Adapter Set (Bosch K-Jetronic C.I.S.) ATTENTION - If gauge assembly is removed, re-apply thread seal when replacing gauge. MADE IN USA Instructions Click here to view product instructions Applications Make Model(s) Engine / Fuel System Years (Approx.) Notes Volkswagen Golf / Rabbit, Jetta, Scirocco, Passat 1.5L, 1.6L, 1.7L, 1.8L (CIS) ~1975–1989 Includes GTI / GLI models with CIS Audi 4000, 5000, 80, 90, Coupe GT 4-cyl & 5-cyl CIS engines ~1976–1989 Warm-up regulator and fuel distributor connections BMW 320i (E21), 528i, early 6-Series M10 & M30 engines w/ CIS ~1976–1983 U.S.-spec cars with Bosch K-Jetronic Mercedes-Benz 280, 380, 450, early 500 models Inline-6 and V8 CIS engines ~1975–1985 Base kit fits smaller connections; larger fittings may require 3422 set Porsche 911 SC, 924, 928 (early) CIS engines ~1976–1983 Control & system pressure tests Volvo 240, 260, early 700 series B21, B23, B27 engines w/ CIS ~1976–1984 Requires M8/M10 adapters Saab 99, 900 (early models) CIS-equipped engines ~1977–1984 Early Bosch CIS applications Show more