Off Topic....Need advice for ford pickup

[oconner_us@xxxxxxxxx]

My boss has a 1990 Ford F-150 with 6 cylinder and auto tranny. He started having problems with it losing power and it started really going through the gas. He took it to a muffler shop and had the catalytic convertor changed (it was plugged). That improved the power a little but was still underpowered and horrible on gas milage. He took it to the ford dealer and they screwed around with it for a week and replaced an oxygen sensor and said that was the best they could get it. We tried it for 3 days and it wasn't much better than it had been so he took it back to the dealer. 
They screwed around with it for about a month, replaced the sensor again, replaced the computer, replaced the ignition coil and through a whole bunch of other parts at it and after all that they called him today and said to come get it cause they were giving up. From what I understand the fuel injectors are slamming wide open at all times. At one point they had that fixed but it was still not runn8ing right and under powered and the computer codes were saying the timing was off. They checked the timing and said it is right on (that is why they replaced the computer, they thought it was faulty and sending false signals). 
Now it is right back to the condition it was in when he first took it to them (and to top it off they want him to pay for the parts but none of the parts they put in it fixed the problem). Does anyone have any ideas? At this point he just wants to get it fixed so he can sell it (and hopefully not end up losing any more money on it). Thanks for any advice.

Jamie Smith
oconner51@xxxxxxxxxxx

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