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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 54027
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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Mbzs500year1995hascode19, s500year1995, 1995, checked wirws

Customer Question

JA: What is the model/year of your Mercedes?
Customer: s500year1995
JA: What year is your Mercedes?
Customer: 1995
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: checked wirws for injectors.are very good
JA: Have you checked all the fuses? Do you have a wiring diagram?
Customer: yes
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.

Hi, my name is***** code 19 can also be set due to incorrect fuel mixture. You need to check fuel pressure and smoke test the intake system for vacuum leaks. Also make sure the EGR valve is not leaking. Next step is to substitute a known good mass air flow sensor.

Customer: replied 1 year ago.
all those things had been done.still code19
Customer: replied 1 year ago.
by the way,Marty if we do smog test the car is passing the test!