1989 Plymouth Voyager help

Tiny
MACHINEGUN
  • MEMBER
  • 1989 PLYMOUTH VOYAGER
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 170,000 MILES
The van runs fine for awhile, then it seems to lose power, if you give it gas it does nothing, if you stop and shut the van off, then start it again it runs good for awhile, then it does the same thing, I thought it had water in the tank, I put water remover and changed the fuel filter, it seems to have helped alittle, but the problem is still there, is it possible that the in tank screen is picking up debri?
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Friday, January 23rd, 2009 AT 12:47 PM

7 Replies

Tiny
RASMATAZ
  • MEMBER
Check the fuel pressure, throttle position sensor and manifold absolute pressure sensors make sure its within specifications to include checking the EGR valve
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Friday, January 23rd, 2009 AT 1:14 PM
Tiny
MACHINEGUN
  • MEMBER
Could it be debri in the tank that im picking up? Will I be wasting my time if I drop the tank and drain it, should I run a code scan first?
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Friday, January 23rd, 2009 AT 6:02 PM
Tiny
RASMATAZ
  • MEMBER
You won't get a code for a fuel pressure problem-check the fuel pressure with a fuel pressure gauge then comeback with it for interpretation
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Friday, January 23rd, 2009 AT 6:10 PM
Tiny
MACHINEGUN
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Does it make sense that it runs fine for awhile, then no power, but when I shut it off for awhile, it run fine for awhile again?
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Friday, January 23rd, 2009 AT 6:19 PM
Tiny
RASMATAZ
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Does it make sense that it runs fine for awhile, then no power,

When this happens check the fuel pressure immediately-give me something to work with this is becoming a nightmare-start checkin all the things I have mentioned then get back with some results
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Friday, January 23rd, 2009 AT 6:52 PM
Tiny
MACHINEGUN
  • MEMBER
I had the fuel system checked, the results are the pressure is good, but it has low volumn.
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Friday, February 6th, 2009 AT 7:23 AM
Tiny
RASMATAZ
  • MEMBER
A fuel pump that delivers normal pressure may still cause driveability problems if it can't deliver enough fuel volume to meet the engine's needs. A fuel volume test may therefore be the best way to evaluate the pump's condition.

A fuel volume test measures the volume of fuel delivered over a specified interval. This test can be done by connecting a fuel flow gauge into the fuel supply line, or by disconnecting the fuel return line from the fuel pressure regulator and connecting a hose from the regulator to a large container. Caution: Make sure there are no open sparks or flames nearby while doing this test!

With the engine off, energize the pump and measure the volume of fuel delivered during the specified interval of time. As a rule, a good pump should deliver about one quart of fuel in 30 seconds.

Causes of low fuel volume delivered include a worn fuel pump, a plugged fuel filter or inlet sock in the tank, obstructed fuel line or nearly empty tank. Don't forget that low voltage at the pump can also prevent it from running fast enough to generate adequate fuel flow. The pump's supply voltage should be within half a volt of normal system voltage. If it is low, check the wiring connectors, relay and ground.
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Friday, February 6th, 2009 AT 11:39 AM

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