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Showing results for tags 'tiptronic boxster 1998'.
Hi guys. We have a 1998 Boxster in the shop. It's a JDM with 53,000 KM. Tiptronic. The symptoms are a backfire through the intake manifold when in gear, hesitation and lack of power won't go through the RPM range. What we have done; freshen the gas with new replaced spark plugs replaced maf replaced engine coolant temp sensor unbolted catalytic converter and ran without it to test for a plugged system, without change the symptoms occur only when in drive. when in park and neutral, we can rev the engine and the soft rpm limiter stays at 4K