Just replaced all 4 coil packs and now car wont start. what could be the problem?
Feb 29, 2020 at 12:08 AM
Car engine will not start up?
ALISHA7
- MEMBER
- 3 POSTS
This sounds like a fuel pump or the crankshaft angels sensor has gone out. When you turn the key to the on position without cranking the engine over can you hear the fuel pump run in the tank for 5 seconds?
https://www.2carpros.com/articles/car-cranks-but-wont-start
So the car was running before you did this and now it is not running? Is there more to this story or is this all of it?
If it was running and you only put 4 coils on it then we need to verify if we are getting spark. I would pull out one of the coils and plug and put the plug in the coil and then hold it against the block to see if it is sparking. If not then we can chase down this issue.
Lastly we need to check all fuses just to make sure we don't have any blown. Clearly replace any that are and we can go from there. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is. Thanks
https://www.2carpros.com/articles/car-cranks-but-wont-start
So the car was running before you did this and now it is not running? Is there more to this story or is this all of it?
If it was running and you only put 4 coils on it then we need to verify if we are getting spark. I would pull out one of the coils and plug and put the plug in the coil and then hold it against the block to see if it is sparking. If not then we can chase down this issue.
Lastly we need to check all fuses just to make sure we don't have any blown. Clearly replace any that are and we can go from there. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is. Thanks
Image (Click to enlarge)
Feb 29, 2020 at 2:58 AM
The car's check engine light started flashing. had to drive car home it sat for a couple days and then when I went to move it it started and then shut off on me. when i Googled to see what could be the problem it said the coil packs. When i went to start it my husband said it was the first one so we replaced all 4. when he took out the spark plug from that one it was completely black. so we replaced all spark plugs and put coils in. car wants to turn over but wont.
Feb 29, 2020 at 3:11 AM
Any more suggestions?
Feb 29, 2020 at 6:11 AM
Okay. That helps. Thanks for that info. We need to start with checking for codes.
Your vehicle needs three things to get the engine to run. Spark at the right time, fuel, and compression.
If the check engine light was flashing that means there was a major issue with the engine and most likely doing damage to it or the exhaust due to a misfire. However, the codes will tell us better as to what is happening.
https://www.2carpros.com/articles/car-cranks-but-wont-start
Due to finding the plugs black that means the engine was running very rich which will also explain the flashing check engine light.
Let's start with the codes and then crank the engine and pull a couple plugs and see if they smell like fuel. Next while you have the plug out, connect it back to the coil and hold it against the block while cranking the engine to ensure we have spark. Let me know these things and I am sure we can figure out what happened and how to fix it. Thanks
Your vehicle needs three things to get the engine to run. Spark at the right time, fuel, and compression.
If the check engine light was flashing that means there was a major issue with the engine and most likely doing damage to it or the exhaust due to a misfire. However, the codes will tell us better as to what is happening.
https://www.2carpros.com/articles/car-cranks-but-wont-start
Due to finding the plugs black that means the engine was running very rich which will also explain the flashing check engine light.
Let's start with the codes and then crank the engine and pull a couple plugs and see if they smell like fuel. Next while you have the plug out, connect it back to the coil and hold it against the block while cranking the engine to ensure we have spark. Let me know these things and I am sure we can figure out what happened and how to fix it. Thanks
Image (Click to enlarge)
Feb 29, 2020 at 7:40 AM