Question about 2000 Hyundai Accent

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My car wont pass smog 2000 hyn accent

The check engine light is on and blinks at idle the gose off when driving the codes are p0300 p0303 i have changed plugs & wires and coil packs people say to check the crank senser if it was bad wont that throw a code too and did a compresion test and num 3 was at 90 and the others were 175- 200

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Pull #3 plug and spray wd-40 in the hole 2-3 short bursts should be fine and take another reading on that hole. that is a very low reading. that is a fuel code and is probably caused by that hole not firing and burning the fuel properly. how many mile are on the car. most hyundai's have a 10 year 100k warranty on them. hope this helps out, let me know if i can help you more.

Posted on Mar 04, 2009

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I have 01 trooper replaced gas cap now check engine light off, but I have a p0300 code will it pass smog.?.


Many states will not pass a vehicle with a check engine light.

The P03000 code you have has little to do with the gas cap, rather it is a random misfire code. read more about this code and possible fixes in the link below. Good luck!

http://www.obd-codes.com/p0300

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Car shakes during idle


Those are misfire codes 300 is multiple misfires, 301 is same but is cylinder 1, 303 is cylinder 3. This could be injectors or coil packs.

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Dec 06, 2012 | 2000 Lexus Gs 300

1 Answer

P0303 cylinder misfire


For engine misfiring problem check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- OBD-II Trouble Code P0300? http://schematicsdiagram.blogspot.com/2011/12/obd-ii-trouble-code-p0300.html
---------Car misfires and error code P0306 and P0303 is shown? http://technoanswers.blogspot.com/2012/01/car-misfires-and-error-code-p0306-and.html
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Engine misses and truck jumps? Hard to down shift? Issue with high gear only? http://technoanswers.blogspot.in/2012/02/engine-miss-and-truck-jumps-hard-to.html

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Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Engine Misfire codes for car?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html
Engine Misfire codes?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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This will help.

Thanks.

Jan 23, 2012 | 1999 Subaru Legacy

1 Answer

Check engine light blinks on and off. rought idle


You describe a 'Misfire' condition. You'll need and OBD!! scanner to retireve any throuble codes stored in the ECU (Engine Control Unit). Once you know which/what code (i.e., P0300 - Random Misfire Detected, or P0302 - Cylinder #2 misfire detected, etc). then you'll know where to go from there - plugs, wires, coil(s), etc.

Feb 06, 2011 | 2002 Hyundai Accent

1 Answer

Check engine light on troubleshooting code PO442 for a 1999 Hyundai Accent


hi my name is pete glad to help code p0442is indication an evap emission <small leak > your car is ok to drive but would not pass the smog test i would advise you get a pro to sort this as the code dose not tell you where the leak is i know the canister close is located under the vehicle next to the canistertank good hunting

Nov 18, 2009 | 1999 Hyundai Accent

1 Answer

Get multiple misfire codes. P0300 - P0303. If this


This could be a coil problem but i would start by changeing the plug wires and checking each plug.

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2 Answers

CODES P0300 P0303


These codes are codes regarding failure. The code P0300 means repeated Engine Misfiring. The code P0303 means Repeated Misfiring of Cylinder Number 3. Kindly contact a technician to get both checked. Their Heads must have been misplaced or broken due to misfiring.
Thank you sir, Have a nice day.

Sep 26, 2009 | 2002 Dodge Neon

1 Answer

Change my idle on my 2000 accent


alternator not pushing out little power to run air con on idle.Get it checked out.

Jun 04, 2009 | 2000 Hyundai Accent

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