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Problems for specific Dodge Dynasty years:

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Most reported 1990 Dodge Dynasty problems

 

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A dirty throttle body can cause a low idle condition resulting in a stalling condition.

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A hissing noise from the exhaust may be caused by a poor seal between the exhaust manifold and the catalytic converter.

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Hard starting or rough idle after the vehicle is parked for a period of time may be caused by leaking fuel injectors.

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A high pitched whistling noise from the engine may be caused by the idle air control motor. Our technicians tell us there is a revised IAC motor to correct this condition.
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Abnormal fuel pump noise may be noted.There is a revised fuel pump, wiring harness, fuel tank insulators, fuel tank straps, and fuel tank available depending on the vehicle.

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Low fuel pressure may be caused by a faulty fuel pump check valve.

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Improper fuel pressure or fuel pressure fluctuation may be cause by a faulty fuel pump module.
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A broken rear torsion bar can cause an abnormal noise over bumps. The torsion bar is part of the rear trailing arm, which must be replaced to correct this issue.

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A squeak noise when shifting out of gear may develop where the shift cable attaches to the gear shift lever. Our technicians tell us the shifter assembly must be replaced to correct this condition.
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The shifter may become locked in neutral or reverse. A stronger reverse detent spring is available to correct this condition.
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Revised transfer and output gears are available to correct a load sensitive high frequency whine from the transaxle.
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Poor electrical connections at the input or output speed sensors may cause the cruise control to become intermittently inoperative.
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Intermittent transaxle shudder during torque converter clutch apply may be caused by transmission fluid issues. Our technicians tell us that changing the fluid and filter, driving the vehicle 10 miles and changing the transaxle fluid again and correct this issue.
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Verified for the Dodge Dynasty

The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem develops.  There is also a revised vacuum check valve available to address this concern.

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Verified for the Dodge Dynasty
The alternator belt may develop a chirping or snapping noise over time due to pulley misalignment. There is a revised alternator bracket to address this concern. If there is still an issue after the bracket has been replaced washers can be used to align the alternator pulley.
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