2000 Chevy Cavalier 2.2L Crank no start

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  #1  
Old 02-27-17, 05:46 PM
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2000 Chevy Cavalier 2.2L Crank no start

okay so the car was towed in due to crank no start. First pulled the plugs as
owner stated that they can't remeber when plugs where changed last. so of
course pulled plugs and they were toast. prolly 50k miles plus on those
plugs. So i changed the plugs and went to fire it up and it ran real rough
chugging so I put new wires on it even tho the ones on the car didnt look
very old. and still have same issue starts but runs real rough. At same time I
noticed that the car was leaking coolant so I did pressure test and noticed
water pump was leaking so replaced that and now the car cranks over but
doesn't start. Did a compression test on all 4 cylinders and all of hem are
roughly 170 or better nothing over 180. I have tried putting starting fluid down
throttle body but acts like it wants to start but will not. all 4 cylinders do have
spark. any ideas. No check engine light. Scan tool shows cats at 100% and
also show OL meaning something is showing open if I'm not mistaken. Ideas
on fixing this problem.
 
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Old 02-27-17, 05:55 PM
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Pull the oil dip stick & smell the oil. Does it smell like gas? It maybe flooded.
 
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Old 02-27-17, 09:48 PM
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yes it does and already ruled that out we dried the cylinders out for a day before reattempting it.
 
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Old 02-28-17, 04:44 AM
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Fuel pressure check, fuel filter change wouldn't hurt.
 
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Old 02-28-17, 05:52 AM
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Have you pulled codes, checked for spark?
 
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Old 02-28-17, 09:41 AM
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yes it does and already ruled that out we dried the cylinders out for a day before reattempting it.
If there is gas in the oil, drying cylinders is worthless.
 
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Old 02-28-17, 02:17 PM
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okay so I have checked fuel fileter which is new and good there is no codes as the battery was DOA and has been sitting for a while. owner states now the the CEL was on previously and the cat use to get cherry red. Going to pull the cat and bore it out and see if this helps any. Yes i do have spark in the correct order
 
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Old 02-28-17, 08:58 PM
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time for a timing chain and gears.
 
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Old 03-01-17, 04:43 AM
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Joshua, how many total miles on the car? I don't think you said.
 
  #10  
Old 03-05-17, 08:12 AM
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Ignition

Sounds like something related to the ignition system, as you car ran better after changing plugs. There is an ignition coil, and crankshaft and camshaft position sensors that are failure items. Could be the ignition ecm itself, but would rule out the others first, they are cheap and accessible things to replace. Probably good to first just take off the connectors and clean the contacts with electrical cleaner. Might just be light, sometimes invisible surface contamination of these resistance sensitive items, so take off and clean all accessible electrical connections, it is worth doing anyways for an older car.

On the theme of the obvious, try boosting the car, your battery may be good enough to crank but not enough to trigger all the other systems. Worth ruling out a battery, which can cause all kinds of odd issues.

Also, seems like the no start after you did a water pump suggests you bumped something electrical while doing that work. Maybe the oil pressure sender, check the connector, this sender I think interacts with the fuel pump, no oil pressure signal, no fuel. Clean the connectors and contacts.

Compression for this engine is ideal at 180-200. Could be a timing chain tooth skip, but which would probably present as uniform lower compression, probably lower than you are measuring. Fuel pump regulator, fuel pump and filter would be other areas which can present a no start.

But from your description, the electrical and ignition system seems best to focus on.
 
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