Question about 1997 Infiniti.5 J30
My car won't accelerate past 2000RPMs, and I've changed the main computer as suggested by an ASE certified mechanic. Can you help me?
On the VG30DE engine (which you have in your car, and which is also found in the 90-96 300ZX, which I own), such a problem is indicative of a failed mass airflow sensor. If the sensor is faulty, the car's computer institutes (in the Z) a 2400 RPM rev limiter to safeguard the engine, as the computer cannot trust the readings from the airflow sensor and is programmed to do this so that an incorrect air/fuel mixture doesn't result, which could damage the engine.
If you know someone else with a J30 of your car's generation, or a 300ZX of model year 90-96, see if you can swap their sensor into your car (I'm not positive that they're interchangeable, but they may be at least for diagnostic purposes).
For future knowledge, it's honestly very rare for the car's computer to go bad - most problems are from other sensors rather than the ECU itself.
Posted on Oct 23, 2008
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Jan 03, 2014 | Infiniti J30 Cars & Trucks
Jul 30, 2012 | Saturn Ion Cars & Trucks
Feb 20, 2012 | 1997 Infiniti.5 J30
Oct 19, 2011 | 1997 Infiniti.5 J30
Mar 06, 2011 | 2001 Mercury Mountaineer
Apr 14, 2010 | 1995 Chevrolet C1500
Apr 14, 2010 | 1995 Toyota Camry
Apr 12, 2010 | 1995 Mercedes-Benz SL-Class
Apr 12, 2010 | 1997 Infiniti.5 J30
Apr 12, 2010 | 1995 Ford Aerostar
Jun 08, 2014 | 1997 Infiniti.5 J30
216 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: