Skip the auto shop - Our mechanics make house calls

Q: Car will not start - 2005 Cadillac CTS

asked by on

Check engine light came and car sputtered on acceleration yesterday and now car will not start. I think it is the ignition coil. From what I read online.

My car has 118000 miles.
My car has an automatic transmission.

Okay, so hopefully you have another vehicle to get around in. The first thing you need to do is get that code scanned. Once you have the code, you should be able to narrow down the possible problems quite a bit. It would not hurt for the time being to pull your spark plugs and inspect them. You can do an online search for "spark plug chart". Look for wetness or excessive blackening. Also, check the gaps on the plugs. If they look fouled, change them and make sure to gap them properly. You might be correct in guessing the ignition coil. To start, an engine needs fuel, spark, and compression; so verify you are getting spark, and get that code read and you should be well on your way to running again. If you would like to have this all taken care of for you, a certified professional from YourMechanic can come to your car’s location to diagnose the no start and have it repaired properly.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: After multiple replacement parts, car won't start - 1994 Acura Vigor

There may be an engine position sensor that has failed like a crankshaft position sensor or a cam position sensor inside the distributor. If the computer cannot tell where the engine is in its rotation or how fast its spinning,...

Q: No spark, no fuel pump until I jump the starter switch.

The PCM is actually what commands the starter to turn over on this truck, so it is possible that this could be a computer issue. Do you have a check engine light on? If so, have you downloaded any codes?...

Q: Cylinder 3 misfire

Hello there, many faults will cause a cylinder 3 misfire with your 2005 Kia Spectra. You have done great in replacing the spark plugs first as this is the most likely cause. There are a few other potential causes such...

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...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...