New and Used Car Talk Reviews Hot Cars Comparison Automotive Community

The Largest Car Forum in the Philippines

Results 1 to 2 of 2
  1. Join Date
    May 2005
    Posts
    16
    #1
    I had my 4d56 engine calibrated last week. Most of the parts of the injection pump were replaced except for the nozzle tips. Lately, I observed that there is to much fuel knock. Will replacing the nozzle tips solve my fuel knock problem. Please advise. Thank you.

  2. Join Date
    May 2006
    Posts
    635
    #2
    recheck injection pump timing

4d56 fuel knock problem