× 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
1997 Ford Aerostar 4.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 12/16/2004 6 Replies

Vehicle was brought to shop w/check engine lamp on .Scanned for codes found po305 po303 misfire codes present. Checked for spark at plugs,did coil test,checked OK ,all wires were routed correctly. Then suspected vac leak at plenum o rings,R&R upper o rings and...

6 Replies Received (View Replies)

  Related Documents & Media  1997 Ford Aerostar

 
Message Closed w/FIX

car Vehicle Data

1997 Ford Aerostar

VIN 1FMDA41X6V
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursHot, Idle

Trouble Codes

P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1997 Ford Aerostar

VIN 1FMDA41X6V
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursHot, Idle

Trouble Codes

P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected