Chevrolet Astro 2002–2003 — technical service bulletin
Bulletin 020604059 · NHTSA communication 10000725 · issued Dec 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002–2003
model years
20
vehicle entries
Official summary
Engine runs rough, service engine soon light on, diagnostic trouble codes p0300 or p0335 set. *tt
Vehicles covered
- 2002 Chevrolet Astro
- 2003 Chevrolet Astro
- 2002 Chevrolet Blazer
- 2003 Chevrolet Blazer
- 2002 Chevrolet Express
- 2003 Chevrolet Express
- 2002 Chevrolet S10
- 2003 Chevrolet S10
- 2002 Chevrolet Sierra
- 2003 Chevrolet Sierra
- 2002 Chevrolet Silverado
- 2003 Chevrolet Silverado
- 2002 Chevrolet Sonoma
- 2003 Chevrolet Sonoma
- 2002 GMC Jimmy
- 2003 GMC Jimmy
- 2002 GMC Safari
- 2003 GMC Safari
- 2002 GMC Savana
- 2003 GMC Savana
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.