P1678 DTC For Porsche Coupe

Your Porsche Coupe engine control system detects a problem, the computer stores the diagnostic trouble code P1678 in its memory. To figure out what is wrong with your vehicle you must first extract the P1678 DTC For Porsche Coupe.

To solve P1678 Porsche Coupe problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

If your vehicle failed a P1678 Porsche Coupe test and the P1678 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses P1678 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P1678 DTC For Porsche Coupe: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

P1677 DTC (Previous DTC Code)

( Next DTC Code ) P1679 DTC

You can also check other Porsche car models :

• Porsche 1300
• Porsche 3400
• Porsche 356
• Porsche 550
• Porsche 718
• Porsche 804
• Porsche 901
• Porsche 904
• Porsche 906
• Porsche 907
• Porsche 908
• Porsche 910
• Porsche 911
• Porsche 911 Type 991
• Porsche 911 Type 996
• Porsche 911 Type 997
• Porsche 912
• Porsche 914
• Porsche 917
• Porsche 924
• Porsche 928
• Porsche 930
• Porsche 931
• Porsche 935
• Porsche 936
• Porsche 937
• Porsche 944
• Porsche 959
• Porsche 962
• Porsche 964
• Porsche 965
• Porsche 968
• Porsche 986
• Porsche 993
• Porsche 996
• Porsche Boxster
• Porsche Boxster Type 981
• Porsche Boxster Type 986
• Porsche Boxster Type 987
• Porsche Carrera Gt
• Porsche Cayenne
• Porsche Cayenne Type 92a
• Porsche Cayenne Type 9pa
• Porsche Cayman
• Porsche Cayman Type 718
• Porsche Cayman Type 981
• Porsche Cayman Type 987
• Porsche Coupe
• Porsche Dp
• Porsche Gt
• Porsche Gt2
• Porsche Gt3
• Porsche Karisma
• Porsche Kremer
• Porsche Macan Type 95b
• Porsche Mega
• Porsche Panamera Type 970
• Porsche Panamericana
• Porsche Rsk
• Porsche Tapiro

The listed Porsche models will give information about P1678 DTC.

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