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mikey
Dodge Dakota
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2/26/2008
11:04:06

Subject: checking fuel pressure???
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how does a person check fuel pressure on a 1988 dakota 3.9? Doesn't appear to have a check valve like the newer engines....just a hose going into the throttle body from the tank?



dakota49
Dodge Dakota
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2/26/2008
17:47:25

RE: checking fuel pressure???
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Mikey, you need an extra adapter, you will need to remove the pressure line from your throttle body, clamp on the adapter then hook up the gauge. Mine is an 88 as well, the idle pressure should be around 15psi, at full throttle it should be around 22psi. Any auto parts store should have the adapter.
Good Luck
Dakota49
1988 3.9 4X4 5speed




J and J Auto
GenII
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2/28/2008
23:50:44

RE: checking fuel pressure???
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Message:
As I said in 2 other post today

there is also a vac operated regulator

idle
15psi
under excelleration 18 to 21psi

check this also

Larry
J&J Auto

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