× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2000 Cadillac Seville STS 4.6L Poor Idle Quality
Posted to GM Driveability on 3/22/2006 14 Replies

Shows Po300 misfire on cylinders 1&4 on scantool, intermittent problem. Changed plugs and wires, no change. Coil packs seem to be OK. HELP!! Elden

14 Replies Received (View Replies)

  Related Documents & Media  2000 Cadillac Seville STS

 
Message Closed w/FIX

car Vehicle Data

2000 Cadillac Seville STS

VIN 1G6KY5497Y
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently
Misc.Sts

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2000 Cadillac Seville STS

VIN 1G6KY5497Y
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently
Misc.Sts

Trouble Codes

P0300Multiple Misfire Detected