Question about Saturn SL1

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I have an 02 saturn sl1 1.9, it stalled out on my wife. It had multiple issues all kind of related to a faulty valve cover gasket. The egr was bad,pcv valve bad,ignition control module was bad due to oil eating away at the silicon base. I,ve tested the starter and the batter both are fine but the car won't start. Ant suggestions?

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  • 234 Answers

The simplest thing that comes to mind is fuel and air filters, perhaps even worn spark plugs. More serious could be timing belt or blocked injectors.

Posted on Jan 08, 2013

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Posted on Jan 02, 2017

  • 1596 Answers

SOURCE: possible bad ignition coil and valve cover gasket

No start on 97 dodge intrepid. I Know that Coil pack is Below Valve cover and Have repaired Numerous Ignition coils due to there becoming Oil soaked , the oil will gather dust dirt and thus Insulating ( Retaining Heat) i and this Causes them to Over heat and Fail , in short Burning them out. I say this Because of your Mention of it as a symptom. you must first Determine if it is getting spark ,have someone Crank Engine over While you are Holding the Spark plug wire 1/4 inch away from coil tower (TERMINAL) do this to all 6 if no spark at any of them ,that coil could be bad (Most Likley), If all Have NO SPARK then it is One of the fallowing,,

  1. Cam Sensor
  2. Crank Sensor
  3. Ignition control module
If Control module is wet with Oil most likely needs replaced some Parts stores can test coil and Modules.

NOW if you have Spark on All 6 Cylinders Check for fuel delivery, Do this at the shrader Valve on the fuel rail,(LOOKS LIKE AIR FILL VALVE ON WHEELS) Simply remove cap turn key on for 5 seconds then turn it OFF Depress the Stem at shrader valve If you get a Good SPRAY of FUEL upon doing this 3-4 times then you have Fuel Pressure !!!!WARNING !!! Test Equipment is Recommended for all Procedures but their certain steps to take if you don't have a DIGITAL VOLT METER or Fuel Pressure tester. I Hope this helps you with your Diagnosis od the problem. Have A Good Day

Posted on Jan 13, 2009

  • 202 Answers

SOURCE: 1995 Toyota Camry - Code 71 - failed emissions tests

replace the EGR switching valve and have the machanic clear the engine check light. I think it should help



Posted on Mar 31, 2009

relaga58
  • 158 Answers

SOURCE: 1997 nissan altima has no spark at the plugs.

get those sensors connected to the output of the module tested cause its ruining the module

Posted on May 10, 2009

michigan man
  • 3533 Answers

SOURCE: Occasionally my 2003 Taurus stalls

check all of the vaccum lines and check for leak at the fuel injection unit and for leaks at the intake manifold also make sure the spark plugs are at the right gap and change the fuel filter and here is a couple of website to checout www.autozone.com and www.alldatadiy.com and i forgot one www.taurusclub.com and i hope i have been some help to you Michigan Man.

Posted on May 20, 2009

  • 1 Answer

SOURCE: EGR Valve, O2 Sensor

Absolutely a bad o2 sensor can cause problems with performance. If you replace one it is highly recommended to replace both or all four depending on your vehicle. If one o2 sensor is making your vehicle run rich you will burn more fuel and in return increase the amount of carbon or unburnt fuel if you will in your egr valve you could probably get away with cleaning it but I would recommend replacing it, it will save you from having to pull it off again. Check your catyletic converter because long exposure to carbon will mess it up.

Posted on Jun 06, 2009

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P0303 Flashing Service Engine Light when driving


P0303 ignition misfire on cylinder #3.
Possible Causes:

1.Fuel injectors, related wiring, sensors, computer issues
2. Running out of gas, or poor fuel quality
3. Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
4. Incorrect Fuel Pressure
5. EGR system concerns: leaking EGR valve or restricted ports
6.Base engine concerns: low compression, valve train problems and timing issues
7. Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

You will have diagnose each element until you find root cause.
And it could be more than one element faulting out.
You

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Hello! #1 question; Is the Check Engine Light (CEL) on? This means the computer has stored a fault and in order to troubleshoot the cause I'll need the code...Take the vehicle to an auto parts store and, for free, they will read the code...Send it to me...

If the CEL is not on; Pull the Positive Crankcase Ventilation (PCV) valve...Give it a shake...If you do not hear the little ball that lives inside rattling around; you have found the fault...Replace PCV valve...
See photo below...The PCV valve is located in the rear valve cover, just behind the throttle body

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Chevy 2002 Malibu ERG valve


Symptoms of a bad EGR valve are usually stumbling idle or the engine stalling when the car is warm (normal operating temperature). Find the EGR valve and locate the vacuum line attached to it. Start the engine cold and wait for it to warm up. When the engine starts to stumble, pull off the vacuum line. If the EGR is bad, the engine idle will stabilize and no longer stumble.

May 25, 2010 | 2002 Chevrolet Malibu

1 Answer

My 93 Saturn SL2 intermittent stalling issues


I would look at the egr system. First pull the valve and clean it. If you have a vacuum tester this would be a good time to test the valve itself as well. When under load you should be able to see the diaphragm engage and hold and then release as you release the vacuum. If that doesn't work check and/or replace the egr solenoid. It's located on the driver's side of the valve cover and usually runs about 60$.

Yours is a common complaint and the above is the most common remedy. Outside of that you might want to check and clean the idle air control valve and the port where it's housed. If it is extremely dirty or something managed to get stuck in there that could affect you vehicle running at idle as well.

Another thing, even though you just changed the plugs, pull one back out and look at it. If is fouled with oil you might need a new valve cover gasket which if it's leaking badly enough will impede spark.

Apr 30, 2010 | 1993 Saturn SL2

2 Answers

Took it to mechanic after it wont stay running he said it needs a crank shaft position sensor and egr valve. Where is the sensor and how do you replace it and how do you replace the egr valve.The mechanic...


what are the codes that made him think these two parts need replacing. The egr could cause a rough idle or stall, But it would need to be stuck open a little which may not set an egr code.

The crank sensor wouldnt cause a rough idle but the car could stall at times intermittantly.

What are you exact symptoms

Mar 13, 2010 | Saturn SL Cars & Trucks

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99 Daewoo Leganza DTC P0301


When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc.

The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded Exhaust Gas Recirculatin (EGR), flow.



P0301:

Possible Causes:
Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

P0302:

Possible Causes:
Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Apr 02, 2009 | 1999 Daewoo Leganza

1 Answer

Chech engine light code OMDII 300 vehicle back fires from stand still till speed 35 to 40 mhp 1998 corolla can you help


OBD II 300 Random/Multiple Cylinder Misfire Detected

When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we have either multiple cylinders misfiring, or the computer simply can't determine the specific cylinder, and as such we are left with the P0300 in computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Mar 24, 2009 | 1998 Toyota Corolla

3 Answers

EGR Valve, O2 Sensor


Absolutely a bad o2 sensor can cause problems with performance. If you replace one it is highly recommended to replace both or all four depending on your vehicle. If one o2 sensor is making your vehicle run rich you will burn more fuel and in return increase the amount of carbon or unburnt fuel if you will in your egr valve you could probably get away with cleaning it but I would recommend replacing it, it will save you from having to pull it off again. Check your catyletic converter because long exposure to carbon will mess it up.

Sep 23, 2008 | 1999 Saturn SL

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