Diagnostic Aids
WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- The system will go lean if an injector is not supplying enough fuel.
- A lean condition could be present during high fuel demand due to a fuel pump that does not pump enough fuel.
- Using a scan tool, review the Failure Records. If an intermittent condition is suspected, see INTERMITTENTS in TROUBLE SHOOTING - NO CODES - 2.2L ALERO, CAVALIER, GRAND AM & SUNFIRE - GASOLINE article.
ALTITUDE VS. BAROMETRIC PRESSURE (1)
| Altitude - Meters | Altitude - Feet | Barometric Pressure - kPa | ||
|---|---|---|---|---|
| 4267 | 14000 | 56-64 | ||
| 3962 | 13000 | 58-66 | ||
| 3658 | 12000 | 61-69 | ||
| 3353 | 11000 | 64-72 | ||
| 3048 | 10000 | 66-74 | ||
| 2743 | 9000 | 69-77 | ||
| 2438 | 8000 | 71-79 | ||
| 2134 | 7000 | 74-82 | ||
| 1829 | 6000 | 77-85 | ||
| 1524 | 5000 | 80-88 | ||
| 1219 | 4000 | 83-91 | ||
| 914 | 3000 | 87-95 | ||
| 610 | 2000 | 90-98 | ||
| 305 | 1000 | 94-102 | ||
| 0 | 0 (Sea Level) | 96-104 | ||
| -305 | -1000 | 101-105 | ||
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