Engine shaking while started up.

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  • e30m3ochoa
    Advanced Member
    • Aug 2012
    • 136
    #1

    Engine shaking while started up.

    To this morning I went to turn in my car and at first it didn't want to turn on so I kept trying and then it did but it would stall. Then it would stay on but the rpms were so unstable and it was shaking. Any ideas? I didn't have time to check anything cause I was headed for work.
    Tags: None
    • a3ternus
      Mod Crazy
      • Nov 2003
      • 643
      #2
      Originally posted by e30m3ochoa
      To this morning I went to turn in my car and at first it didn't want to turn on so I kept trying and then it did but it would stall. Then it would stay on but the rpms were so unstable and it was shaking. Any ideas? I didn't have time to check anything cause I was headed for work.
      Spark plug wires?
      Just a guess...
      N.
      Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

      Originally Posted by aaron_silva
      It is always frustrating having a harsh ride when
      you arent in the right mind set.

        Comment

        • TG Goose
          Wrencher
          • Jul 2011
          • 234
          #3
          fueling issue, check fuel pressure
          ______________________________________
          1984 LSB 318i - Sold
          1986 325i - Motor Swapped Track Car Project
          1995 318ti - Sold
          1999 540iA - Daily Driver

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            • dnguyen1963
              R3VLimited
              • Nov 2011
              • 2648
              #4
              Vacuum leaks...

                Comment

                • e30m3ochoa
                  Advanced Member
                  • Aug 2012
                  • 136
                  #5
                  Yeah I was thinking it would be a vacuum leak but I started with checking the spark plugs and they were pretty burned already so I will be replacing them tomorrow. What would be the best way to check for leaks?

                    Comment

                    • dnguyen1963
                      R3VLimited
                      • Nov 2011
                      • 2648
                      #6
                      Smoke test is the only reliable way to check for all vacuum leaks.

                        Comment

                        • ADEN
                          Mod Crazy
                          • Feb 2008
                          • 620
                          #7
                          Originally posted by TG Goose
                          fueling issue, check fuel pressure
                          soooo correct, black and slightly wet spark plugs are a clear result of fuel problem.
                          probably defected pump, clogged filter or FPR

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                            • e30m3ochoa
                              Advanced Member
                              • Aug 2012
                              • 136
                              #8
                              How would I be able to do that at home since I don't have a smoke machine or anything of that sort?

                                Comment

                                • e30m3ochoa
                                  Advanced Member
                                  • Aug 2012
                                  • 136
                                  #9
                                  Originally posted by ADEN
                                  soooo correct, black and slightly wet spark plugs are a clear result of fuel problem.
                                  probably defected pump, clogged filter or FPR
                                  Well I did have black spark plugs and oil I them so how would I go about checking all of that?

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