Bronco Engine Question

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Jul 7, 2008 | 11:48 AM

derty2009

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Bronco Engine Question

I have a 1995 Bronco with a 302 and lately it has been lacking power badly. At idle it sounds completly fine but when you hit the throttle is sounds like it is sucking a ton of air. It still idles and runs fine it just lacks lots of power and i dont know the problem. Please help!

Jul 7, 2008 | 11:59 AM

NWBronco

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How is the water temp? If it is truly getting too much air, it's running lean. Pulling the codes will help diagnose.

Bob

Jul 7, 2008 | 12:02 PM

derty2009

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The water temp is fine it probably runs abit cooler then it should even. I pulled the codes and it read out some improper EGr flow code which was due to a bum sensor on the egr. But it runs like crap and it seems more rich then lean. It is extremely lopud when you get on it, it seems like it is pulling air hard from somewhere

Jul 7, 2008 | 12:05 PM

NWBronco

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The EGR condition can cause what you are experiencing. If te EGR system is not functionong correctly, it will dog your idle, and performance.

Jul 7, 2008 | 12:07 PM

derty2009

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It idles and runs fine though it is almost like something is putting a drag on the engine.

Jul 7, 2008 | 12:08 PM

derty2009

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It is Blowing some smoke but not badly but tell me about your problem i think it might be something about backpressure

Jul 7, 2008 | 12:21 PM

derty2009

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ok well my truck has a single pipe system but doesnt have a muffler and just ends after the second stock cat. Could this be caused by an exhaust leak where the donut is on the manifold

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Jul 7, 2008 | 12:33 PM

derty2009

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Yeah thats what it sounds like but what do you mean by i have a broken cat? what is broken about it

Jul 7, 2008 | 12:58 PM

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derty2009

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Will that solve my power loss issure also?

Jul 7, 2008 | 04:02 PM

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derty2009

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OK well thats what I am going to do I live in minnesota so they dont really care about emissions

Jul 7, 2008 | 04:06 PM

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Goodsath

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The clogged cat will restrict air flow and rob your power. A quick check is to unbolt your manifold/header from your pipe and drive it. It does sound like a cat issue, good luck.