Q: I'm having fuel pump relay problems.

嘿，感谢您写有关您2001年吉普大切诺基的写作。听起来您有一个间歇性的连接问题，该问题是由松散的保险丝固定选项卡引起的。您看到的黑色是碳，电压像火花塞一样跳动缝隙。碳本身不是一个好的导体，会干扰电流。RPM增加是由空气/燃料混合物的暂时倾斜引起的。

与电气清洁剂，电介质油脂或石油果冻一起清洁触点和融合。您可能需要使用旧牙刷或小黄铜刷轻轻擦洗连接器。

Sometimes a very small dental style pick can be used to slightly bend the tabs back towards each other, so the furs will fit tightly. Using a bit of dielectric grease on the fuse and holder will help with corrosion and may help keep electrical arcing from causing excess carboning.

If you are unable to bend the tabs, you could try to sandwich old fuse blades between the good fuses blades and the connector to ensure good contact. Sometimes, if you are careful, you can slightly bend the tabs on the good fuse into a V shape to help with keep the electrical connection complete. Other than that, replacement of the fuse panel would be the ideal repair solution. If you need help with this repair, I suggest having a certified technician, like one from YourMechanic, correctly诊断失速问题, verify the problem, and complete the repair for you.