118 The source of all misery Cracked back manifold 3.0 Litre Cars
Citroen XM Internet Reference Version 1.0 181
3/3/99
I washed the car and then went out in it. The performance was terrible.
While still out, the performance was terrible for most of the time - then we noticed!
The performance only deteriorated when I put the rear screen heater on. We followed this up by
switching the heated seats and the heater full on. The engine was so bad that it was *very* difficult to
pull away from traffic lights. When everything was turned off, everything was OK. This would explain
the car’s good behaviour in the afternoon as the heater motor didn’t have to work to heat the car up, no
lights were needed and the rear screen heater was off. After washing the car, however, the front and
rear screens needed demisting (is this usual BTW?), hence the poor performance. Earlier in the day
after speaking to Manuel, my Citroen guru, it turns out that when he was setting up the throttle
potentiometer, it was on the lowest voltage permitted in the specs.
Would further voltage drop in the system from seat heaters etc. cock things up with the output from the
throttle pot?
Any ideas from people who are more experienced than me at cursing XMs - sorry - solving problems
with them?
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