Question about 1989 Dodge Dakota 2WD

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I just bought a 2000 dakota with a 3.9 v6 engine it runs great at a constant speed for 6 or 7 miles then it starts acting like its not getting enough fuel sometimes it will actually die. I was told that the fuel pump had been replaced. when I had the codes there was a misfire problem so I have replace the plugs, wires, cap, rotor bug and the coil as well. Now the codes are still saying that there is a misfire but also a high low fuel pressure. So do I need to try replacing the fuel pump or is there a throttle position sensor that may be causing this problem?

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  • Dodge Master
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Just a quickie ,try it with the fuel cap off ??

Posted on May 16, 2010

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Posted on Jan 02, 2017

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Turns over but no spark, after new head askets


are you asking this 3 times removed? really>????
is this the 4 cam v6 or 2?
the 4 cam has 2 gears for 2cams and belt drive. 6ve1
the 2 cam v6 has no gears.
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ckp dead.
CMP 1 or 2 dead
fuse blown.
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i bet you didnt scan it cranking did you
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what's your engine vin code 8th digit
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i see you really didnt check spark, just assumed it.
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omg got spark omg on all 6 in fact
omg compression is dead. x6 bent valves.

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until the leak down test passes, by hand with shop air.
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VIN = Y or W
eight digit of vin is engine code. !!!
are 4 camsl

its flooding
so, compression is gone
sparks gone
or it over injecting for some reasons
if compression is ok, 150psi +
and parks good
secret wide open throttle will clear floods, (cut fuel mode )
but all this is risky on any 4 cam interference engine.

when i put the belt back (assuming cams not removed)
I check cam timing 2 time or 3 times, or risk bending valves.
6ve1
then do the leak down test now, just like you are there.
hand turned crank. (at each of the 6 TDC points(skills)
opps its got 0psi on many cylinder
that means valves are bent.

here is the SM quote step 4 belt install
WARNING If any binding is felt when adjusting the timing belt tension by turning the crankshaft, STOP turning the engine, because the pistons may be hitting the valves.
one can just throw an engine like that back together.
they also told you to set cam timing first, before pulling heads
or damage can happen,
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