| System | Symptom | Likely Cause (Booklet 17 logic) | | :--- | :--- | :--- | | | Long cranking time | Loss of residual pressure (pump check valve). | | Air | Rough idle, stalling | Vacuum leak (unmetered air entering after MAF). | | Ignition | Hesitation under load | Weak spark or incorrect timing map (Knock sensor). | | Sensor | Poor fuel economy | Stuck rich O2 sensor or bad Coolant Temp Sensor. |
: If you were looking for technical literature, Bosch also publishes a "Professional Automotive Information" series, which includes technical booklets on statistics and quality management (e.g., Booklet No. 16: Problem-solving ), though a specific "Booklet 17" in this series is less common than the toolset. Bosch Booklets | GAP Improvements bosch booklet 17
Inspectors examine the samples multiple times (usually 2–3 runs) in random order. They must mark them as "Good" or "Bad". 3. Statistical Analysis (Procedure 7) The results are analyzed based on: | System | Symptom | Likely Cause (Booklet
| System | Symptom | Likely Cause (Booklet 17 logic) | | :--- | :--- | :--- | | | Long cranking time | Loss of residual pressure (pump check valve). | | Air | Rough idle, stalling | Vacuum leak (unmetered air entering after MAF). | | Ignition | Hesitation under load | Weak spark or incorrect timing map (Knock sensor). | | Sensor | Poor fuel economy | Stuck rich O2 sensor or bad Coolant Temp Sensor. |
: If you were looking for technical literature, Bosch also publishes a "Professional Automotive Information" series, which includes technical booklets on statistics and quality management (e.g., Booklet No. 16: Problem-solving ), though a specific "Booklet 17" in this series is less common than the toolset. Bosch Booklets | GAP Improvements
Inspectors examine the samples multiple times (usually 2–3 runs) in random order. They must mark them as "Good" or "Bad". 3. Statistical Analysis (Procedure 7) The results are analyzed based on: