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Engine turning over but not starting, no compression sound?

Tiny
BHAMDOC1973
  • MEMBER
  • 2013 JAGUAR XF
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 35,000 MILES
At 35,000, unreal. This does not sound good. Battery is dead, jumped it from trunk, here are the codes before I deleted them, they didn't come back while turning the motor.
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Tuesday, October 11th, 2022 AT 11:45 AM

15 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,702 POSTS
Thanks for the video, it sounds like the engine has no compression. Will the engine run on starting fluid? Here is a guide to help you with the compression test. I would not worry about the codes for now.

https://www.2carpros.com/articles/how-to-test-engine-compression

Please go over this guide and report back.
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Tuesday, October 11th, 2022 AT 6:00 PM
Tiny
BHAMDOC1973
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Yes, that is what it sounds like. I will spray some and see.
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Tuesday, October 11th, 2022 AT 6:28 PM
Tiny
BHAMDOC1973
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Sprayed some nothing happened. There is a small coolant line that is broken. Maybe the car overheated and blew a gasket. Is it possible for a car that has been sitting for a while to develop no compression?
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Wednesday, October 12th, 2022 AT 8:37 AM
Tiny
KEN L
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Yep it is possible, I would do the compression test to see if the engine is hurt.
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Wednesday, October 12th, 2022 AT 6:41 PM
Tiny
BHAMDOC1973
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  • 1,580 POSTS
How can I check the spark on this engine? And would you spray starter fluid directly into the throttle body?
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Thursday, October 13th, 2022 AT 4:53 PM
Tiny
KEN L
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Yep, either no spark or no compression. here is how to remove the ignition coils and a video to show you how to check for spark, while you are at it check the engine compression as well.

https://youtu.be/baq_aEWNQ0Y

and

https://www.2carpros.com/articles/how-to-test-engine-compression

Check out the images (below). Please let us know what happens.
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Saturday, October 15th, 2022 AT 11:49 AM
Tiny
BHAMDOC1973
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  • 1,580 POSTS
Can you send me instructions on how to get to the spark plug?
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Saturday, October 15th, 2022 AT 2:03 PM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,580 POSTS
I got to it and there is spark. I opened the fuel line and there is fuel at the ignition on. Do you know what this wire is by the battery? And what is this other battery behind it? Am still using a jumper box every time as the battery has 2v.
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Sunday, October 16th, 2022 AT 5:02 AM
Tiny
BHAMDOC1973
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Hard to get to spark plug to remove and do a compression. Am worry it had a wash.
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Sunday, October 16th, 2022 AT 5:05 AM
Tiny
KEN L
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Yep, we must get at least one spark plug out to to the test. Can you upload a short video on the problem you are having to get the spark plugs out?
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Monday, October 17th, 2022 AT 10:55 AM
Tiny
BHAMDOC1973
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It's just super tight. I will try. Do you know what this wire could be from the battery?
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Monday, October 17th, 2022 AT 12:27 PM
Tiny
KEN L
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No idea, it could be for the manufacturer to use during the cars assembly.
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Tuesday, October 18th, 2022 AT 10:20 AM
Tiny
BHAMDOC1973
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Hopefully I connected the compression connector tight enough but there is zero compression, how can that be? Isn't there always some? The plug was soaked with gas.
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Friday, October 21st, 2022 AT 1:36 PM
Tiny
BHAMDOC1973
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Attached.
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Friday, October 21st, 2022 AT 1:37 PM
Tiny
KEN L
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Yep, that is no good, the engine is hurt and needs to come apart or used engine installed. It could be a timing chain issue. Let me know which way you want to go so I can give you instructions.
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Saturday, October 22nd, 2022 AT 1:13 PM

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