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2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 06-25-2011
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2002 mazda b3000 (ford ranger)

I got this 2002 mazda b3000 truck with 160, 000 km;s on it and it is auto with a 3.0 litre v6 engine

1st problem
I am having is that is takes along time to warm up for the gauge to move,maybe 7-10mins or even a bit longer

2nd problem
Once the truck is running and driving no matter what distance you drive it gives a slight stutter at a light or stand still, something like a misfire

3rd problem
if you tap the gas pedal quick at a stand still the oil pressure needle kind of hops a bit

oh yeah there is no CEL light on either and otherwise drives fine

email me if anyone can help me out thank you first truck ever
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Old 06-26-2011
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Idk why people start their trucks and let then warm up. You don't have to just drive. Unless it was a real cold start like -35*. Just start and drive. The oil pressure gauge will move if u hit the gas.
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Old 06-26-2011
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for your second problem i would look at the fuel filter that is what it was doing b4 i changed my fuel filter
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Old 06-26-2011
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thanks

hey guys thanks for the info i was thinking that fuel filter but thought maybe some thing else
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Old 07-01-2011
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That sounds normal for the temperature gauge. It's a dummy gauge anyway...use a Scangauge to get a more accurate temperature reading.

My truck had a jumping oil pressure gauge too. Turned out to be the IAC valve...it was dirty which caused the idle to drop...oil pump couldn't keep the pressure up at such low RPM. Cleaned the IAC out and the gauge stayed steady. Keep in mind this is also a dummy gauge...reads in the middle unless pressure drops below 6 psi.
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Old 07-11-2011
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i know the oil guage is a dummy guage, but I don't think the temp guage is.
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Old 07-11-2011
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well i fixed all the rest but still have the little problem of like a stutter step when i pull up to a light, is there anything common to check it almost feels like a misfire or something like that
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Old 09-22-2011
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ok well here is a update upon further investigation, I found the pcv top hose collapsed and that was causing the vacumm leak and after doing so it is running better but still has a stumble and miss not sure what else i can do
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