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Method 1: You can reset the check engine light of the Jeep Wrangler by turning off the power.

Besides your description, the Check Light turns on, and there’s ten different codes stored for different systems. If your check engine light is on but no code, it’s your scan tool, not the vehicle.

May take three or more restarts of the engine before the computer.

The biggest step you can take to prevent future no codes with your Check Engine Lights is to buy a better ODB2 reader.

Discussion Starter · Jul 28, 2019. Otherwise, you’ll be driving in silence. .

The check engine light — more formally known as the malfunction indicator lamp (MIL) — is a signal from the car's engine computer that something is wrong.

If the true fault lies on another system, maybe the reader truly can't see it. Hasn't even hit first service. .

If the problem was due to an intermittent cause then the code will get erased if the problem doesn’t reoccur. While the check engine light is not required for AutoZone to read codes, it can help identify the problem.

#1 cause of a CHECK ENGINE idiot light is an incomplete seal on the gas cap, causing the emissions control system vacuum test to fail.

Apr 9, 2017 · Lunchbox_USMC.

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Often, using a MAF sensor cleaner will help restore proper operation. .

The tech was not able to see any stored codes after connecting to the bike.
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I tried reading with a code reader and it wouldnt work so I got a bluetooth code reader and used the Torque app for my tab II and it says no codes stored. May 7, 2016 · 1) If you want to do Everything you'll ever need to, then look at the AutoEnginuity + the Ford Enhanced Package (@ $350 - you add an old computer of some sort to run it with) 2) To retrieve most of the codes you'll need to help and even do some testing look at the Torque App (you add an Android device and Blue Tooth Adapter for @ $30) OR the. The biggest step you can take to prevent future no codes with your Check Engine Lights is to buy a better ODB2 reader.

. Car: Nissan Maxima 1995 VQDE engine. The Check Engine Light may stay on even if there are no codes showing, which can be a sign that the issue isn’t fixed. May 7, 2016 · 1) If you want to do Everything you'll ever need to, then look at the AutoEnginuity + the Ford Enhanced Package (@ $350 - you add an old computer of some sort to run it with) 2) To retrieve most of the codes you'll need to help and even do some testing look at the Torque App (you add an Android device and Blue Tooth Adapter for @ $30) OR the. . lack of power.

May 27, 2010 · Joined: Wed Sep 26, 2007 1:41 pm.

. It could be caused by several things, such as a bad spark plug, low fuel pressure, or a vacuum leak.

Dec 31, 2010 · If so, I would suggest clearing the codes by disconnecting the battery or the ecu.

There could also be an electrical short or blown fuse causing the light to come on for no reason.

Everything seems to run ok.

Or, that as long as the Check Engine light is on the engine runs.

If your check engine light is flashing but no codes appear, it could be a sign of a serious problem with your car’s engine.