Subject	Only 4 things to make an engine run..
Posted by	Drunkpunk082 on July 25, 2012 at 4:41 PM
	This message has been viewed 298 times.
In Reply To	Re: How do you know you have fuel? posted by ouikikazz on July 25, 2012 at 03:22 PM
Message	Fuel, air, spark, and compression. You said fuel is there but have you tried turning it over with the fuel line disconnected from the engine? Pull the line off the regulator, stick it in a bottle and crank it. See if fuel is PUMPING and not just present in the lines. Also ohm out your injectors, check the voltage at the injector plugs, and check your PTU connections. Now for air... Your MAF is installed AND plugged in? I had my filter and MAF pop off once and it will certainly keep the car from starting. Also might wanna swap it with one from a running Z just to rule that out. Next check your spark. Make sure the plugs aren't fouled and all your coil pack are installed and plugged in. Test the coil pack connectors. Try known good coil packs. Lastly compression. Do a compression test. If that turns out within spec do a boost/vaccum leak test. A bad vaccum leak can also cause hard starts. Get back with us after you have done all that.
Follow Ups	car won't turn over - ouikikazz 13:53:15 07/25/12 So what you're really saying is the car will turn over. - Draker (Eugene, OR) 14:22:49 07/25/12 How do you know you have fuel? - AHos(Chicago) 14:43:07 07/25/12 Re: How do you know you have fuel? - ouikikazz 15:22:38 07/25/12 Only 4 things to make an engine run.. - Drunkpunk082 16:41:09 07/25/12 Re: Only 4 things to make an engine run.. - ouikikazz 16:54:45 07/25/12 One more thing about the EFI harness... - Drunkpunk082 10:15:03 07/26/12 Re: Only 4 things to make an engine run.. - ouikikazz 19:29:56 07/25/12 Re: Re: Only 4 things to make an engine run.. - ouikikazz 19:49:48 07/25/12 Is your fuel pressure regulator plumbed correctly? - Evan_Wright (Ca) 21:47:06 07/25/12 Re: Is your fuel pressure regulator plumbed correctly? - ouikikazz 13:16:46 07/26/12 did you crank forever to start it (mpi fuse connected) then - ztunerz 22:15:04 07/25/12 If the compression readings are accurate then I'd say - Evan_Wright (Ca) 21:52:08 07/25/12 agreed (n/m) - ztunerz 22:11:56 07/25/12 3rded (n/m) - Antihero 09:37:16 07/26/12 I bet my money on this. (n/m) - Drunkpunk082 10:12:54 07/26/12 Re: If the compression readings are accurate then I'd say - ouikikazz 13:21:17 07/26/12 or it is off one or more teeth on the crank sprocket - aliaZ 15:49:39 07/26/12 Re: or it is off one or more teeth on the crank sprocket - ouikikazz 16:42:53 07/26/12 it is unlikely that you pinched all 6 injector o-rings - aliaZ 16:46:38 07/26/12 Yes, pinched o-rings don't explain the compression results. - Evan_Wright (Ca) 18:07:35 07/26/12 Re: it is unlikely that you pinched all 6 injector o-rings - ouikikazz 20:55:28 07/26/12 that would explain your low compression numbers - aliaZ 08:58:05 07/29/12 i win (n/m) - ZiNnYc 17:19:15 07/29/12
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