Date: 16 Aug 2003 22:36:19 -0700 From: alancemornopsamo.com (Lance Morgan) Subject: Re: 85 900S Very Poor Acceleration (bucking)
w4murdzanopsamom (W4murdza) wrote in message news:<20030815121431.01725.00000028nopsam22.news.cs.com>... > 85 900S 5 speed 190K > > First noticed a hesitation (bucking) during a drive yesterday. The bucking > would increase going up inclines and get much worse accelerating from a stop > More like bucking then than a hesitation had to clutch to stop the bucking and > coast a bit and very slowly accelerate. OK starting, at idle and at 55mph on a > flat road or a slight decline. > > Changed the fuel filter, plugs cap & rotor a few months ago. Wires Ok. > Fueled the car the day before and drove several miles. No problems noted. > > My first thoughts are the fuel pump is begining to fail, low fuel pressure or a > failing ignition module causing a very weak spark. Any advice would be greatly > appreciated in troubleshooting. > > Jim Can you confirm that this is a 16V, w/air mass meter between air filter and throttle body, and solenoid fuel injectors w/electrical wires?