Question about Mercedes-Benz Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: missing error code P0201
It is an injector malfunction on cylinder #1 and #2. Below average fuel pressure, clogged fuel filter, defective fuel reg., injector and wiring, water in fuel, spark plugs and wires, could cause your problem.
Posted on May 13, 2009
I will give you what the codes mean and you can then work out what to replace.
code p0171 refers to system too lean--bank 1===causes intake / exhaust leak---AIR system---MAF/VAF sensor---fuel pressure/pump---injector/s---HO2s
code p0201 refers to injector 1--circuit malfunction===causes--- wiring--injector ---ECM
code p0202 refers to injector 2 --circuit malfunction===causes --wiring---injector--ECM
code p0203efers to injector 3 --circuit malfunction===causes---wiring--- injector --ECM
code p0204 refers to injector 4 --circuit malfunction===causes ---wiring ---injector ---ECM
code po321 refers to crank shaft position (CKP) sensor/engine speed (RPM) sensor---range / performance problem===causes---air gap---metal particle contamination---insecure sensor /rotor --wiring---CKP/RPM sensor.
Posted on Jan 06, 2014
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