Question about 2000 Hyundai Accent

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2000 hyundai accent running real rough worse when rainy and damp out replaced mas, tps, just getting ready to insatall new plugs and wires sweems to run a little better after heating up good but still misses at lower gears

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Check under the hood at night to see if any sparks are getting away anywhere, especially around distributor, coil, leads area.

Posted on Sep 13, 2009

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Posted on Jan 02, 2017

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2001 Hyundai accent - runs OK for about 40 miles on interstate. Then car seems to drop a cylinder and runs very rough. The check engine light does NOT come come on and there is no error code


Hi.

1. make sure you have the correct type spark plugs installed.
2. no vacuum leaks - lose air pipes
3. Check the Oxygen sensor "upstream" - remove it and see if it is sooted (black) then replace if needed.

hope this helps

Feb 10, 2015 | 2001 Hyundai Accent

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Fuel problem 2000 Hyundai Accent


Not long ago my wife Accent stopped running. I figured out it was a fuel pump problem. So I took the back seat out,(you dont have to drop the tank), and removed the fuel pump. After installing a new fuel pump the Accent still did not run. The fuel pump wasnt charging when the key was turned on. Well I figured out the little 2-3 inch jumper wire (has a plug on both ends with 2 wires in between) goes bad, kind of like a fusable link. So I got that wire and replaced it and problem solved. Now I have a spare fuel pump (the one I replaced).

on Jul 30, 2010 | Hyundai Accent Cars & Trucks

1 Answer

Hyundai accent stalls


The O2 sensor code could be the answer. If the sensor is faulty it could be causing the fuel mixture to be too lean.

Jan 23, 2014 | Cars & Trucks

1 Answer

My 2000 is running rough on rainy days and fine on dry days. new wires and plugs


you may have a cracked coil, or a water leak to the fuse box (unlikely) but happens more than u think. never the less u have short that the water is grounding out. good luck

Nov 05, 2012 | 2000 Pontiac Sunfire

1 Answer

Code p1128 weak mixture lose power on inclines engine light on melts spark plugs vehicle hyundia accent 2001


Go to www.hmaservice.com and register your vehicle by VIN #..
you'll then have access to wiring diagrams, shop manuals,
service bulletins, illustrations, etc. To diagnose a 2000 or 2001 1.5L Accent Diagnostic Trouble Code (DTC) P1128 (FUEL SYSTEM LEAN -- PART LOAD), check the following:
  • Check the intake system for air leaks.
  • Check that the Mass Air Flow (MAF) Sensor (P/N 28164-22610) operation meets the specifications listed below. If the MAF sensor output is significantly lower than the reference value (10% or more), then replace the MAF sensor.
Table 1: Using the Hi-Scan Pro in the Hyundai Diagnostic Menus Current Data Screen TPS (%) 0
3.5
5.1
7.4
MAF (kg/h) 10
21
30
47
RPM IDLE
2000
3000
4000
Table 2: Using the Hi-Scan Pro in the OBD-II Menus Current Data Screen TPS (%) 0
3.5
5.1
7.4
MAF (g/h) 2.8
6
8.5
12.7
RPM IDLE
2000
3000
4000


WITH MANUAL TRANSMISSION


Table 3: Using the Hi-Scan Pro in the Hyundai Diagnostic Menus Current Data Screen TPS (%) 0
2.4
3.9
5.9
MAF (kg/h) 9.5
19.4
28.8
43
RPM IDLE
2000
3000
4000
Table 4: Using the Hi-Scan Pro in the OBD-II Menus Current Data Screen TPS (%) 0
2.4
3.9
5.9
MAF (g/h) 2.5
5.5
8
12
RPM IDLE
2000
3000
4000

Jun 26, 2011 | Hyundai Accent Cars & Trucks

1 Answer

2001 hyundai accent 1.5l codes 300 301 303 have ck tim belt,comp at 200 psi .replace spark plugs,crank sensor ,fuel pump&filter .will start then die


Replace the throttle position sensor (TPS) (since you've checked/replaced anything else which could be causing this problem - except WIRING). Reinspect all wiring & connectors/connections before replacing the TPS. Also, I've seen (on occasion, a faulty "Main Relay" create the condition you describe). Suppose you have a faulty ignition switch (ignition key). When placed in the 'START' position, the engine starts normally, BUT, when you release IT to the 'RUN' position, the engine dies - CLUE?

Mar 22, 2011 | 2001 Hyundai Accent

1 Answer

I have a 2000 accent. when the weather is damp, I get extreme misfiring which clears up after a couple of blocks. Similar to the old cracked rotor cap problem. Also have code P1123. Any help would be...


This problem of misfire in the damp is commonly caused by faulty HT leads or electronic coils. Check all plug leads first.

P1123 fault code is often associated with a faulty MAF on Hyundai cars. However first start at the air inlet tube, checking for obstructions or leaking vacuum hose which may also cause this code to show.

Jun 21, 2009 | 2000 Hyundai Accent

1 Answer

2001 xg300 engine runs rough - skips


I had the same car and the same problem.
My case I changed Air Intake
sensor(or call MAS), located right after air filter unit.
Good luck!

Sep 26, 2008 | 2001 Hyundai XG300

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