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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Tue, Oct-24-2017, 12:34:35 PM   #11
Double E
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Default Re: Crank no start, OBD Port doesn't work as well

Cough...post #8 cough...cough..
How did you verify timing?
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Old Tue, Oct-24-2017, 05:40:24 PM   #12
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Default Re: Crank no start, OBD Port doesn't work as well

Quote:
Originally Posted by Double E View Post
Cough...post #8 cough...cough..
How did you verify timing?
Checked timing by setting cylinder 1 to tdc and putting my Cam timing tool on the cams and it slid on perfectly.

Timing isn't off, and compression is there. I know it's electrical since my obd doesn't work, just don't know where to start.
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Old Sun, Oct-29-2017, 02:28:08 AM   #13
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Default Re: Crank no start, OBD Port doesn't work as well

Bump?
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Old Sun, Oct-29-2017, 11:01:02 PM   #14
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Default Re: Crank no start, OBD Port doesn't work as well

Well if you have fuel and compression then next is spark. Check plugs to see if they’re soaked and fouled. Check boots. Check coil connectors. Check coil harness grounds. Then check sensor and their wires. Cam sensor, and crank sensor are the two big ones that won’t let an engine start.
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Old Mon, Oct-30-2017, 03:44:43 PM   #15
Double E
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Default Re: Crank no start, OBD Port doesn't work as well

I think there is spark as evidenced by the backfire out through the intake.
It's a timing issue or else fire would not physically be allowed to go out the intake.

"Compression is there" doesn't say exactly that you performed the test.

Why the OBD and computer is not letting it recognize and respond to time correctly and run is fascinating. If you are convinced that you have correct compression and want to rule out the OBD, it looks like the OBD harness and ALL connections, I mean ALL need to be removed & verified & reconnected.
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Discussing Crank no start, OBD Port doesn't work as well in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)