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Old 11-22-2002, 11:52 AM
Posts: n/a
'89 420 SEl stumble

'89 420 SEL that stumbles at "cruise" does not occur under acceleration. It appears to be electricial and I've replaced the harness from the EZL to the coil as well as Cap/Rotor/Wires/Plugs. Is it time to replace the EZL or what? Thanks.
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