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Verified for the Mazda MX-6

Vehicles with a V6 engine may develop an engine misfire under load (acceleration). This can be caused by a valve cover gasket leaking oil into a spark plug well, shorting the spark plug to the cylinder head. To repair this concern, the valve cover needs to be resealed and the spark plugs and wires should be replaced.

5 Reports
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Verified for the Mazda Millenia

Misfires under load (acceleration) can be caused by the valve cover gaskets leaking oil into the spark plug wells shorting the spark plugs to the cylinder head. New spark plug wires will be needed and the valve cover needs to be resealed.

24 Reports
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Verified for the Mazda Miata MX-5

Misfires under load (acceleration) can be caused by spark plug wires arcing to the cylinder head in the spark plug wells. Water in the spark plug wells can also cause the same problem so careful diagnosis is needed.

4 Reports
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Verified for the Mazda Protege

If the Check Engine Light comes on, and diagnosis finds a trouble code, or codes, for misfires, it might be caused by insufficient valve clearance for the affected cylinder. The valve clearances should be inspected and adjusted where needed.

4 Reports
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Verified for the Saab 900

The direct ignition cassette can fail causing the engine to die while driving, and/or it will crank but start. Diagnosis may also discover trouble codes for random misfires.

6 Reports
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Verified for the Mazda 323

Misfires under load (acceleration) can be caused by leaky spark plug boots. When a spark plug boot leaks, it allows the spark to arc, or jump, to the cylinder head. New spark plug wires will be needed.

6 Reports
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Verified for the Mazda 323

A loose or corroded ground terminal on the driver's side of the cylinder head can cause a rough idle, misfires, and there may be trouble codes. Restore the ground to the cylinder head.

5 Reports
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Verified for the Mazda 626

Misfires under load (acceleration) can be caused by leaky spark plug boots. When a spark plug boot leaks, it allows the spark to arc, or jump, to the cylinder head. If evidence of arcing can be seen on the inside of the spark plug boot, new spark plug wires will be needed.

16 Reports
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Verified for the Dodge Avenger

A rattle from the rear of the vehicle may indicate that the rear shock absorbers are defective. Updated shocks are available; however, careful inspection of all suspension components should be performed before any parts are replaced.

3 Reports
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Verified for the Mazda 626

Vehicles with a V6 engine may develop an engine misfire under load (acceleration). This can be caused by a valve cover gasket leaking oil into a spark plug well, shorting the spark plug to the cylinder head. To repair this concern, the valve cover needs to be resealed and the spark plugs and wires should be replaced.

11 Reports
Me Too

Verified for the Isuzu i350 Pickup

This vehicle is known to set false trouble codes, which causes the Check Engine Light to illuminate. To resolve the problem, the PCM needs to be re-flashed, which is covered under the vehicle's emission warranty.

1 Report
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Verified for the Isuzu i370 Pickup

This vehicle is known to set false trouble codes, which causes the Check Engine Light to illuminate. To resolve the problem, the PCM needs to be re-flashed, which is covered under the vehicle's emission warranty.

2 Reports
Me Too

Verified for the Isuzu i280 Pickup

This vehicle is known to set false trouble codes, which causes the Check Engine Light to illuminate. To resolve the problem, the PCM needs to be re-flashed, which is covered under the vehicle's emission warranty.

1 Report
Me Too

Verified for the Dodge Ram Wagon 1500

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

2 Reports
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Verified for the Dodge Ram Van B150

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

3 Reports
Me Too

Verified for the Dodge Ram Wagon B350

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

3 Reports
Me Too

Verified for the Dodge Ram Wagon B150

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

3 Reports
Me Too

Verified for the Dodge Ram Wagon B250

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

3 Reports
Me Too

Verified for the Dodge Ram Van B350

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

4 Reports
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Verified for the Dodge Ram Van 1500

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

2 Reports
Me Too

Verified for the Dodge Ram Van 2500

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

3 Reports
Me Too

Verified for the Dodge Ram Wagon 3500

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

2 Reports
Me Too

Verified for the Dodge Ram Wagon 2500

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

2 Reports
Me Too

Verified for the Dodge Ram Van 3500

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

2 Reports
Me Too

Verified for the Saturn LW300

The ignition module or an ignition coil may fail causing the engine to misfire which can cause the Check Engine Light to illuminate or begin flashing.

3 Reports
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Verified for the Mercury Mariner Hybrid

The hybrid models have a coolant pump that cools control electronics. The pump can fail or spin slowly, which causes a Check Engine Light to illuminate and complete engine shut down.

46 Reports
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Verified for the Dodge Magnum

Carbon buildup on the valves may illuminate the Check Engine Light, indicating "Multiple Cylinder Misfires." The combustion chamber must be cleaned of carbon. There are updated valve spring retainers that will help prevent a recurrence.

5 Reports
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Verified for the Chrysler 300

Carbon buildup on the valves may illuminate the Check Engine Light, indicating "Multiple Cylinder Misfires." The combustion chamber must be cleaned of carbon. There are updated valve spring retainers that will help prevent a recurrence.

13 Reports
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Verified for the Mercedes-Benz E320

Catalytic converter failure is common and may cause a Check Engine Light to illuminate.

1 Report
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Verified for the Buick Rainier

The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Replacement of the cylinder head may be required to correct this concern.

7 Reports
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