'92 fwd Fleetwood hesitates
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, '92 fwd Fleetwood hesitates in Past Cadillac Vehicle Discussion; HI, I have a '92 FWD 4.9 that has a hesitation on accelerating, it has new plugs, new cat. converter, ...
  1. #1
    genoflh is offline Cadillac Owners Member
    Join Date
    Jul 2004
    Posts
    3

    '92 fwd Fleetwood hesitates

    HI,
    I have a '92 FWD 4.9 that has a hesitation on accelerating, it has new plugs, new cat. converter, looks like previous owner just did gas tank,fuel lines,and filter. Tried injector cleaner in tank, still having the issue. No chk engine lights come on...
    It does sound like there is an exhaust leak near the motor, maybe exhaust manifold? I there a known issue with this? The last owner had the head gaskets done and maybe they didnt get the manifold sealed right.

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  3. #2
    genoflh is offline Cadillac Owners Member
    Join Date
    Jul 2004
    Posts
    3
    Thread Starter

    Re: '92 fwd Fleetwood hesitates-code help?

    I ran the self check and get the following codes:
    E
    E52 , E74

    FF
    F46, F47

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