1987 camaro...Wont start?? - Team Camaro Tech
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post #1 of 4 (permalink) Old Oct 22nd, 01, 06:04 AM Thread Starter
 
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I have an 87 camaro v-6 2.8. The other day i went to start the car and it just cranks and wont start. I changed all the parts you would change in a tune-up and still the car just cranks and sputters a little. nobody can tell me why it wont run. The plugs have spark and there is fuel so i was told it should start. There is a strong gas odor when trying to start. Anybody have any ideas? Thanks
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post #2 of 4 (permalink) Old Oct 22nd, 01, 04:59 PM
 
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Location: Santa Rosa,ca.95403
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check compression
check for broken timing chain.
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post #3 of 4 (permalink) Old Oct 22nd, 01, 05:52 PM
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Check the fuel pressure with a good gauge. The "tap" is near the distributor so be careful of leaks/sparks!

The pressure should be 38-42 psi. (with key on)
It should hold this pressure for quite a while after turning off ignition.
Those are famous for bad fuel pressure regulators...that could be your problem.
If the regulator is bad, it could flood engine, and not hold pressure.

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post #4 of 4 (permalink) Old Oct 23rd, 01, 07:27 AM
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The above qoutes are good to go by.Don't go off 'smells' but facts.If you can't get your hands on a fuel pressure gauge then spray some starting fluid or carb spray into intake just to be sure it is not fuel.Check spark off coil wire unplugged from distributor.Hold 1/4 inch to 1/2 inch from ground and you should get a nice blue spark.Not weak yellow,then do the same from a wire off a plug.I know v-8 cars from that era had a 'cold start injector' I'm not sure about the 2.8.I also heard 2.8 from 'around' that era had map and maf sensors on them and gm decided to do a mod and disconnect the maf and just run off the map.I'm sure this was probably done by now on yours if you have that kind of set-up.If your throttle position sensor is reading to high a voltage to computer the computer thinks your trying to un-flood the engine so it cuts back on the fuel during cranking.Do you have a digital voltmeter?One wire to the sensor is a 5 volt reference,the other is ground and the third is the sensor wire back to computer telling it what position the tp sensor is in. It will have around .5 at idle or just the key on engine off and up to 5 volts wide open.Check this stuff out and keep us up-dated.
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