Porsche 911 • Maintenance • Tutorials
Detailed text, high-definition photos, categories by generation and engine, fast search.
The MAF sensor provides the engine control unit with information on the amount of air intake. The reference stoichiometr...
Read more →
Recently updated
The MAF sensor provides the engine control unit with information on the amount of air intake. The reference stoichiometric ratio of approximately 14.7: 1 corresponds to one mass of...
The headlight lens on a Porsche 964 can be replaced separately if the headlight assembly matches the one shown. Order the appropriate gasket at the same time, and wear gloves if th...
Engine cover part no. 20 is exposed to splashes and may deteriorate over time. The price listed in the original article is historical and needs to be updated. Before reproducing th...
If there is a charging problem even though the battery, alternator/regulator, and ground strap are in good condition, check the D+ excitation circuit and the battery warning light....
Difficult hot starts, abnormally high idle speeds, or engine stalling can have several causes. The original article suggests checking the cylinder head CTN sensor located near cyli...
Technical validation and data to be confirmed Confirm the location and part number of the relay based on the model year and the fuse box diagram. Turn off the ignition before remov...
The case described involves a 1989 Carrera 4 in which the red all-wheel-drive and ABS warning lights came on simultaneously, accompanied by a buzzer. The ignition components showed...
If you suspect a malfunction in the DME relay, first verify the power supply, ground connection, pinout, and part number of the relay on the vehicle’s wiring diagram. A jumper wire...
Technical validation and data to be confirmed Confirm the housing part number and the exact value of the varistor before replacement. Check the power supplies, grounds, limit switc...
