With a lack of regular maintenance, engine problems can occur, which is even more likely if you purchased a used car. In such cases, additional work needs to be done.
If engine wear is suspected, check compression (see section 2), which will give you valuable information about the performance of its main components and help determine the extent of the required repair. If, for example, a test shows severe engine wear, the routine maintenance described in this Section will only be a waste of time and money, as it will not improve engine performance unless a major overhaul has been previously performed (see section 2).
The following series of actions consists of the operations most often needed to improve engine performance:
Primary Actions
- a) Clean, inspect and test the battery (Cm. "Weekly checks").
- b) Check all engine related fluids (Cm. "Weekly checks").
- c) Replace spark plugs (Chapters 30 and 37).
- d) Inspect ignition system components (Chapter 31).
- e) Inspect high voltage ignition wiring (Chapter 31).
- f) Check the condition of the air filter, replace if necessary (Chapter 27).
- g) Check the condition of all hoses, inspect them for signs of leaks (Chapter 4).
If the above steps are not effective, take the following secondary steps:
Secondary Actions
All primary activities, plus the following:
- a) Check the charging system (Section 5).
- b) Check the fuel system (Sections 4A and 4B).
- c) Replace the cover of the breaker-distributor and the distributor slider (Chapter 31).
- d) Replace high voltage ignition wiring (Chapter 31).
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