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Auto Repair Questions

2002 F250 7.3 diesel exhaust

Is it advisable to take out the muffler and replace it with a straight pipe. will this hurt or help the performance and/or gas mileage

No dash lights

I bought a 1987 Oldsmobile 98 Regancy, 3800 V-6 engine with 116,00 miles. There are no dash lights when I turn on the headlight switch.… Read More »No dash lights