i just bought a 98 saturn sl2 for 600 bucks and was wondering how to tell if you have a bad egr.it looks like the person put new plugs /wires /pvc 02 sensor and motormounts.i cleaned out the TB and it was black.car doesent smoke or use any oil has 173000 miles on it.i notice that when you first start the car up it doesent keep a steady ilde.jumps 100 rpms up and down.after the car is warm it has a dead spot when you give it a little gas.has lots of power so what do yous think could be wrong with the dead spot and idle problem.hope yous know cause im lost..........[img]smileys/smiley6.gif[/img]
Edited by: sw2cam

ok i got the idle right.now it idles at 900 rpms.but i still have the dead spot when i push the pedal down a little.so thats the only thing i need help with.and wanted to say that this site is great and it help me out alot so far OK.i just put a new tps on today and still the same thing.dead spot at 1100 rpms.so whatelse could it be????????Edited by: sw2cam

the problem was.Symptom: Hesitates under part throttle, may feel like an engine misfire, ignition system and fuel delivery system test good.



System: Emissions/PCM/Fuel, Engine Ignition



Codes: Possible P0300, P0301, P0304



Problem: The #1 and #4 Spark Plug Wires are reversed which causes the injector timing to be off by 180 degrees.



Test & Fix: Verify the correct Spark Plug Wire installation order of 4, 1, 2, 3.

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thanks.this a good fourm

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ok so i have a 98 sl2 and i had the same exact problem take ti to your local shop and have them take a look at it but i had the same symptoms i would be stopped then put on the gas and it would stop then go a little .................what they told me it was , was like a temperature or thermostat sensor so just get that checked out
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