Question about Infiniti Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: 1995 Infinity j30
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
Go to carhelpsite.com it is free as long as you click on 2 of the ads at the website then your questions will be answered by an ASE certified mechanic,you don't have to buy or fill out anything on the ads,so help keep the site free.
Posted on Apr 13, 2010
If this is just a basic tune up then the cost is about $135.00 (varies with local hourly labor rates), more if the distributor cap and rotor are in need of replacing
Posted on Feb 09, 2012
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