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Re: I have a 1999 plymouth grand voyager its running...
Lower intake manifold gasket is most likely leaking... these are known to go bad in the 3.4 engine. Also another thing that can cause this is a dirty or malfunctioning mass air flow sensor.
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How about the power brake booster? Was that checked & the vacuum check valve okey?
You wouldn't be happy if that solved the issue & you got the valve off the wall on a trip thru the parts store & installed yourself
What about ABS Issues?
What happens if you command the valves open with a scan tool,bleed system & test drive with scanner and valves still open or disconnect the motor to it & drive around a few days.
I remember a load leveler valve under the back on the drivers side on some caravans?
The fluid has to go somewhere,if not back into the reservoir, then the abs unit maybe.
Better check the not leaking part yourself, unless you don't loose any fluid
You bleed them there okey for 3 days,why,that is the key, then what?
Backfiring can occur in engines that are running lean because the air-fuel mixture has insufficient fuel (too much air in the ratio) OR whenever the timing is too advanced. On modern vehicles unless the timing chain or timing belt has slipped (not likely) you simply have an air leak that is permitting too much air to enter the motor, causing hard starts and poor driveability, especially at idle. Check for a hole or loose fitting connections in the air duct from the air filter to the throttle body. Make additional checks for holes in the rubber hoses between the PCV valve and the motor (PCV valve hoses run to the intake of the motor). Even small holes or gaps can cause significant issues. if you can't find the leaks with visual inspection and feeling or removal of the parts and replacement, try spraying carburetor around the intake and hoses. If motor revs it means there is a "leak" there letting air into the motor, (bypassing the mass air flow sensor that regulates air volume).
1999 Plymouth Truck Grand
Voyager 2WD 3.8L MFI 6cyl * The Vehicle Speed Sensor is located
Mounted on transmission
* The
Sensor - Transmission Speed is located
Mounted on transmission
Sir, is it causing when shifting gears ? If yes, the main reason I can see is that you are not shifting the pressure at the right pace from the Clutch to Gas pedal. Take a test by trying shifting the pressure from the Clutch to Gas Pedal more slowly. Some mechanics explain ( including me ) that the car is just shifting. It is a common thing observed in Powerful Vehicles. Also note one thing. Try Slowly easing the clutch out as you reach fiction point and then accelerate. Also notice, the Fuel filter can be dirty. It can need cleaning.
Thank you Sir, Have a nice day.
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