× 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
1992 Lexus LS400 4.0L Misfire
Posted to Asian Driveability on 2/20/2003 7 Replies

We have just finshed replacing the t-belt and water pump but on a test drive we can fill a small miss at cruise speed only. It is not a steady miss and it seems to be more noticable at 45 to 50. We do not get a check engine light but I can get codes 13 and 31 ...

7 Replies Received (View Replies)

  Related Documents & Media  1992 Lexus LS400

 
Message Closed w/Summary

car Vehicle Data

1992 Lexus LS400

VIN JT8VF11E5N
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMisfire
OccursHot, Cruise

Trouble Codes

13rpm signal
31air flow meter
Message Closed w/Summary

car Vehicle Data

1992 Lexus LS400

VIN JT8VF11E5N
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMisfire
OccursHot, Cruise

Trouble Codes

13rpm signal
31air flow meter