possible chip issue?
Well i used to think it was ICP or IPR related but now i'm wondering if it's the chp. in cruise or not when you put a load on the engine it pulls like it should then when the load starts to decrease then it backs off and you have zero throttle response for about 5 seconds then it's fine. now it only does it when you're in a tune, but it won't do it stock. would this be the chip causing this? thanks guys
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Hummm... When you say 0 response, meaning you can floor it and get nothing?
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exactly. it won't do a thing. when it does this and the cruise is on, it backs of pretty hard then when it comes back on it picks up very hard. the ICP is new and i just replaced the IPR and that helped a little bit but not that much.
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Almost sounds like a TPS sensor, but then it would not do it with the cruise on.
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i thought it might be that to, but now i'm wondering if it's chip related since it won't do it stock, no matter how much the load on the engine is. i guess it's one of those things that you'd have to be there to know what it's doing. i'l see if i can email you a video of it.
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When you say stock... Do you mean with the chip removed or in the stock setting?
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well that's with the chip in the stock setting.
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Try removing the chip. Even with the chip in the stock setting, its still running off the chip.
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ok. i'll try that. the only time it really does it is when i'm towing. you have to try really hard to get it to do it when you're empty.
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Check fuel pressure.
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