Question about Cars & Trucks
We replaced the mass air glow but it still gives this code when checked
How about the air cleaner? and some throttle body cleaner into intake would not hurt. just for starters any way. always go for the cheapest fix first
Posted on Dec 10, 2012
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Posted on Jan 02, 2017
Sounds like it could possibly be a vaccume problem, the computer sees that the vaccume has a low pressure and thus fludding the engine, or visa versa, it's seeing too high of a pressure and cutting the fuel comsumption to a minumum enough to make the engine sputter and die.. Does this happen when the cars in Netural or Reverse or Park? Just Drive?
Posted on Oct 19, 2009
SOURCE: truck runs like ****
You have checked the fuel pressure? Do you have a check engine light? As for the tank filling up the wrong one, that is caused from a bad tank select valve on the frame rail.
Posted on Apr 02, 2010
Testimonial: "when ive checked the pressure it was good, and ive replaced the select valve maybe its defective, thx man"
SOURCE: 2003 Hyundai Sonata with 4
P0301 - Cylinder 1 Misfire Detected.
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1
Being you have a heavy gas smell I would look into the injectors. If injector #1 is over producing it can cause a misfire. Test your compression and fuel pressure.
Posted on Jan 17, 2011
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