Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
B-Chart Identification/Availability
The following table lists only those B-charts available for this engine, as well as their identifications.
The symptom diagnostic charts (B-charts) are used when no trouble codes have been set.
These charts are not contained in this article. They can be found in the appropriate article in the ENGINE PERFORMANCE section.
- Intermittents
- Hard Start
- Hesitation, Sag, Stumble
- Surges and/or Chuggles
- Lack of Power, Sluggish, or Spongy
- Detonation/Spark Knock
- Cuts Out, Misses
- Backfire
- Poor Fuel Economy
- Dieseling, Run-On
- Rough, Unstable, or Incorrect Idle, Stalling
- Excessive Exhaust Emissions (Odors)
| Chart | Identification/Purpose |
|---|---|
| B-1 | Restricted Exhaust System Check |
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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