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Misfire & engine light
Hi, my 1998 2.5 Boxster has just started to misfire (rough running) and the check engine light started flashing. I've not driven it other than to a local garage who use a Snap-on code reader. They said all it stated was multipul misfire and advised taking it to Porsche!
At first I was worried about total engine failure (block gone) but then read on here that it can be just the cables to the spark plugs coming loose (I replaced the spark plugs about 6 months ago with no problems).
Any ideas what it could be? Thanks.
PS. over the last few months it has been holding back a bit at 5000rpm+. Like lack of fuel but I replaced the fuel filter. Could this be linked or is this another problem potenitally with some sensor?
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