× 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
2001 Infiniti QX4 3.5L Surge
Posted to Asian Driveability on 9/5/2007 2 Replies

hi all, this qx4 came in for a 90k and a smog. the 90k went well, changed plugs with same brand and part#, test drove great. problem, smog machine ask's for 2 speed idle test. while trying to perform the 2500 rpm part of the test, the engine will surge about 4...

2 Replies Received (View Replies)

  Related Documents & Media  2001 Infiniti QX4

 
Message Closed w/FIX

car Vehicle Data

2001 Infiniti QX4

VIN JNRDR07Y31
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways, Intermittently
Misc.Awd

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0505Idle Speed Control System
Message Closed w/FIX

car Vehicle Data

2001 Infiniti QX4

VIN JNRDR07Y31
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways, Intermittently
Misc.Awd

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0505Idle Speed Control System