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2000 Cavaliver 2.2 eng lost of power and burn fuel bad
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sidneybishop
New User
Apr 29, 2013, 5:34 PM
Post #1 of 7
(1268 views)
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2000 Cavaliver 2.2 eng lost of power and burn fuel bad
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I took my motor out my car. Before taking my motor out. I had notice that my car was running kinda bad but not losing power. I change my timing, water pump, front and rear engine seals, valve cover and oil pan gasket. When I put the motor back in it started right up and had a lil white smoke and mist coming out the tailpipe. I took the spark plug wires off to make sure it wasnt the wires and plugs causing the misfire. I hooked the computer up to it and it gave me PO300 code. Im not sure if the timing was set corerctly.
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sidneybishop
New User
Apr 29, 2013, 6:05 PM
Post #3 of 7
(1238 views)
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Re: 2000 Cavaliver 2.2 eng lost of power and burn fuel bad
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Yes
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 29, 2013, 6:15 PM
Post #4 of 7
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Re: 2000 Cavaliver 2.2 eng lost of power and burn fuel bad
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Before you pulled the engine have you noticed a loss of coolant?
There are many reasons for the problem your having, but I guess the place to start would be to see if the timing chain was installed correctly. It could be off one tooth and it wouldn't really affect engine compression, but will make the engine run like a bag of poop.
Besides ripping the front cover back off, to check for proper engine timing you would have to use a lab scope and pressure transducer or to monitor the cam and crank sensor signals and see if they are synchronized based off a known good waveform.
You probably don't have a DSO laying around, so that may be out of the question.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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sidneybishop
New User
Apr 30, 2013, 5:43 PM
Post #5 of 7
(1167 views)
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Re: 2000 Cavaliver 2.2 eng lost of power and burn fuel bad
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Naw it didnt have any coolant leaks. No sir I dont have one laying around. I wish I did. I had a guy tell me that it might be a vacuum leak. I spray so carb and choke cleaner. Engine stayed the same. Thanks for the help really means alot.
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 30, 2013, 7:23 PM
Post #6 of 7
(1160 views)
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Re: 2000 Cavaliver 2.2 eng lost of power and burn fuel bad
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Do you have a vacuum gauge? Just out of curiosity what is the manifold vacuum reading at idle?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Apr 30, 2013, 7:23 PM)
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