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97 quest knock sensor,#3cylinder misfire


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luvmyquest
Anonymous Poster
squirellie2@aol.com

Mar 14, 2009, 5:03 PM

Post #1 of 3 (2557 views)
post icon 97 quest knock sensor,#3cylinder misfire Sign In

hi i have trouble code for my nissan quest,97....went to autozone and retreived codes...came back as knock sensor and #3 cylinder misfire,checked plug wire and it does well...knock sensor seems difficult to replace becouse you have to remove intake..any other ideas i can check before undergoing expensive ks replacement?maybe try new wire or plug for #3 cylender?WHAT WOULD HAPPEN IF YOU unplugged ks?could misfire in #3 cylinder cause ks to give code?any help is great,thanx


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Mar 14, 2009, 6:24 PM

Post #2 of 3 (2551 views)
Re: 97 quest knock sensor,#3cylinder misfire Sign In

not luvmyquest rightnow; Yes, I'd concentrate on the misfire, first. And, no, don't disconnect the KS. Several things, among many, come to mind: spark plug, wire, coil, injector, compression, ect., ect.
Loren
SW Washington


Jeff Norfolk
Enthusiast
Jeff Norfolk profile image

Mar 14, 2009, 6:24 PM

Post #3 of 3 (2551 views)
Re: 97 quest knock sensor,#3cylinder misfire Sign In

Fix the miss fire problem first. A engine miss can cause a knock sensor code when it may not be bad.
Jeff






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