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Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Mercedes
Satisfied Customers: 3939
Experience:  Owner at Carolina Auto Service & Sales , 20 years experience in Foreign & Domestic vehicles
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I have a benz, 96 mercedes s500, new fuel pump, filter, and

Customer Question

i have a benz
JA: What is the model/year of your Pontiac?
Customer: 96 mercedes s500
JA: Are you fixing your S500 yourself? What have you tried so far?
Customer: new fuel pump, filter, and pressure regulator car will not start.
JA: Have you ever replaced the fuel pump, or is this the original?
Customer: checked pump and filter gas flow when engine cranks. new crank sensor too
JA: Anything else you want the mechanic to know before I connect you?
Customer: that is it
Submitted: 2 months ago.
Category: Mercedes
Expert:  Chad Farhat replied 2 months ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 2 months ago.

Hey how are you ,Good Morning

We need correct Fuel & Spark to start ,so if the fuel pump been replaced and we have fuel at fuel rail and also the ckp sensor changed and firing the coils then that leaves the Fuel injector pulse , is the car computer not sending a ground to pulse injector it want start

lets check that

IF YOU SPRAY STARTING FLUID IN THE INTAKE OR TB BODY & TRY TO START IT ,DOES IT START AND DIE

Please let me know

Thank You

Chad Farhat

ASE Certified Technician