Carisma, RPM ~
#1
Carisma, RPM ~
Hi,
I have a Carisma from 1998, 78.000 Km. The car runs ok but there's something which is anoiyng me since 8 months: when the engine is worm (normal temperature) I see the RPM indicator going a bit up then a bit down, and, of course I can hear the engine doing the same, too. When the indicator is pointing to 0 then the engine led is turnin on, but after 1-2 sec is going back up a bit and the light dissapears. What can that be guys?
I have changes recently the sparks.... no effect. Some other people are saying hat I should change the fuel filter. Any idea?
I have a Carisma from 1998, 78.000 Km. The car runs ok but there's something which is anoiyng me since 8 months: when the engine is worm (normal temperature) I see the RPM indicator going a bit up then a bit down, and, of course I can hear the engine doing the same, too. When the indicator is pointing to 0 then the engine led is turnin on, but after 1-2 sec is going back up a bit and the light dissapears. What can that be guys?
I have changes recently the sparks.... no effect. Some other people are saying hat I should change the fuel filter. Any idea?
#2
RE: Carisma, RPM ~
some idle revving is normal. try the fuel system first it could be either the filter or the injectors, injector cleaner is the cheapest quick check ( and not a bad thing to do even if that's not it) then the fuel filter. now you've got spark but how is the rest of the charging system ( battery, alternator,etc.,) if the problem persists it could be a sensor or ecu problem (take it to a shop)
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