idles but won't rev

  #1  
Old 01-12-2011, 12:30 AM
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Default idles but won't rev

I replaced the timing belt and heads (bent valves) on my 1999 Passat. When I turn it on runs rough. It will idle ok, about 800 rpm, but stumbles and labors when I rev it. The timing seems to be off using a timing light (early). I'm thinking cam position sensors but I don's know. Any help?
 
  #2  
Old 01-12-2011, 01:18 AM
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if throttle body cleaner is sprayed down inlet revs good, have replaced fuel filter, temp sensor still no result.
 
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