Question about 2004 Hyundai XG350
Engine light on and car barely running. Light diagnostic says Throttle system bad
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Posted on Jan 02, 2017
SOURCE: XG350 2003 throttle problem
cars these day are all electronic
the exhilarate in your car is electronic the older cars used to have a cable that ran to the motor now they dont
these days the exhilarate is like a volume knob on a cd player, it tells the car to produce more power on not to.
it sends the message to the throttle body
the throttle body is in charge of mixing the air to fuel ratio more fuel more power your emmissions system is the exhaust system
all of this could be linked to the throttle body being damaged
if you want to know more just ask
hope it helps
Posted on Dec 28, 2008
Remove or disconnect the following:
Timing belt sprocket alignment mark positioning for belt removal and installation—3.5L engine
Posted on Feb 10, 2010
SOURCE: My 2002 Hyundai XG350 has
if i can help you, i have the same problem and i discovered that my CATALYTIC CONVERTER was blocked and the two pre-cat too !
First i think it's was the throttle body but no ! After checking every electronics parts,a friend of mine takeout the first oxygen sensor on the line of the exaust and i see a difference
We clean (take out) the interior of all catalytic on the exaust line and replace all parts after, the oxygen sensor too !
i try it on the road for a week,and that's it,we have resolved the problem. Wow ! at last
I bought the new pre-cat and the catalytic converter and i got a new car.
It took two months before we found the probleme. I read on the web different solution but no one
have the good one.
Sorry for my english,i hope you understand what I have write(What I explained)
Posted on Oct 31, 2010
Are you topping off the tank? if so don't do that.
Posted on Dec 18, 2012
Tips for a great answer:
Connect white (test lead) and black (ground lead) wires that are branched from harness approximately eight inches from ECM. After leads are grounded, the "Check Engine" light will flash the diagnostic trouble codes. The DTC's are indicated by the flashing CEL.
FLASH, FLASH, pause, FLASH, FLASH, FLASH = Code 23.
If only one diagnostic trouble code is stored, the DTC will repeat continuously until test leads are disconnected. If more than one diagnostic trouble code is stored, each DTC will repeat three times, starting with the lowest, then proceed to the next DTC. After all DTC's have been displayed, the pattern will repeat.I-MARK 84-85
Connect male and female test leads taped into wire harness near ECM. After leads are connected, the "Check Engine" lamp will flash the trouble codes. The DTC's are indicated by the flashing CEL.
FLASH, FLASH, pause, FLASH, FLASH, FLASH = Code 23.
If only one diagnostic trouble code is stored, the DTC will repeat continuously until test leads are disconnected. If more than one diagnostic trouble code is stored, each DTC will repeat three times, starting with the lowest, then proceed to the next DTC. After all DTC's have been displayed, the pattern will repeat.
86-87 Impulse located near the ECM connector, is used to actuate the Engine Control Module (ECM) trouble code memory within the module. Two terminals (A and C) of this connector are used to activate the diagnostic trouble code system in the ECM. With the ignition switch turned On, engine Off, connect a jumper wire between terminals A and C. The "Check Engine" lamp will begin by flashing a DTC 12. DTC 12 = flash, pause, flash, flash. There will be a longer pause and a code 12 will repeat two more times. This code indicates the self-diagnostic system is operating. The cycle will then repeat until the engine is started or the ignition is switched Off. In most cases, DTC's will be checked with the engine running since no DTC's other than DTC 12 or 51 will be present without the engine running. Remove jumper wire from ALDL connector before starting engine. Reconnect jumper wire after engine is running.
Throttle Body Fuel InjectionThe ECM test connection is located under the center console.
A built-in, self diagnostic system will identify problems in the throttle body fuel injection system. When a problem is detected, the diagnostic system will illuminate the "Check Engine" light.
When the engine is started, the Check Engine light should turn off.. If the light remains lit, the self diagnostic has detected a problem. To determine where the problem exists, ground the "Test" terminal of the connector with the ignition On, engine Off and watch the check engine light. Each DTC will flash three times (lowest to highest).
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