Skip the auto shop - Our mechanics make house calls

Q: 1984 Mercedes fails to start

asked by on

My car won't start it cranks but nothing theirs no spark as well I changed the coil and the module but up to now theirs no start what do you think it can be? If you can help me to figure the problem out I would be very appreciated please & thank you

My car has 95000 miles.
My car has an automatic transmission.

If the car is not starting because it has no spark, you want to begin in the distributor. Take off the cap and have someone turn the engine over. Is the distributor turning? If it isn’t, then you have a broken timing chain. If the distributor is turning, then the part in the system that you haven’t changed is the pickup coil in the distributor. It generates the signal that the module uses to fire the coil. You can check the pickup for continuity, but that doesn’t tell the whole story. You really need a scope to test it properly. By contacting your Mechanic, you can have a technician come to your home and test those parts and others and tell you what it will take to get back on the road.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: No start until the gearshift is moved around in park - 1992 Toyota Cressida

If the shifter has to moved around in order to get the engine to start, then this indicates either a faulty or misadjusted gear selection switch on the transmission. In order to prevent the vehicle from starting up in drive,...

Q: The car has full power but does not crank over

Have a technician inspect the starter signal wire voltage while attempting to start the vehicle. If the starter is receiving the signal, has power and is properly fastened to the vehicle, it should start. The technician can jump the starter...

Q: Removing the car battery from a 2012 S63 AMG

Hi there. There will be a bolt that is attached to a wedge that is holding the battery in place. The bolt will be next to the battery and the black box. You may have to remove the black box...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.