Help! Engine wont start after Head gasket replacement - Nissan Forum
 
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#1 Old Jul 15th, 2011, 09:38 AM
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Help! Engine wont start after Head gasket replacement

Ok, So I replaced the had gaskets on my 00' frontier 3.3
Everything went relatively smooth for my first time doing this. Well I get it together and it wont start! the motor turns over but wont fire off. I checked the spark and it was real weak, so I dropped 300. on a new distributor. I put it in got everything back to TDC and it still wont fire! I checked the fuel and its getting fuel to the injectors and i smell gas as iff is getting to the intake but still no crank! anyhelp would be greatly appreciated!
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#2 Old Jul 15th, 2011, 02:10 PM
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If you say the engine doesn't "crank," that suggests that the starter is not rotating the engine when you try to start, which, by the rest of your post, doesn't sound like your issue. Assuming the engine "cranks," but doesn't "fire," I would go back to your "weak spark" issue. Did you check your spark with a spark tester which allows you to check the spark voltage? Make sure your spark plugs are not gas fouled. Make sure you have clean and tight grounds for the EGI harness at the intake plenum. Install a noid light to make sure the injectors are firing. Check your compression. Verify proper fuel pressure. This all assuming you timed the distributor properly.
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