5000CS Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1988)
If specified values are obtained:
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possible cause of problem could be K-Jetronic or ignition system
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also check control unit fault memory
If specified values are not obtained:
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check control of wastegate valve, if necessary perform a trial replacement
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if value is still not obtained, reinstall original enrichment housing, perform trial replacement of blow-off valve
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if value is still not obtained, replace turbocharger