1988 Chevy Cheyenne engine running lean

1988 CHEVROLET CHEYENNE
158,961 MILES • V8 • 2WD • MANUAL
Avatar
DEREKSPARKEY211
  • MEMBER
  • 1 POST
i have a 88 chevy 3500 with a 5.7 tbi motor the truck when cold runs like it is not getting enough fuel or sputters but after about 25 min of drivin it runs fine but i get a check engine light but the truck has no sputtering or nothing no running hot truck runs fine but i have the c.e.l on i got a diagnostic test and it is reading a code 44 what are some causes
Dec 31, 2009 at 9:05 PM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
44 Oxygen Sensor Circuit (Lean Exhaust Indication)

Replace the O2 sensor-you're way over due
Jan 1, 2010 at 3:07 AM