经我厂大修竣工的一辆TJ 7100夏利轿车发动机,调试时,冷机易起动、升温快;到85℃时怠速稳不住、加速不良,消声器排放较浓的黑烟,并伴有“突突”声,还可嗅到汽油味,好像缺缸;熄火困难,强制熄火后,再起动也很困难。经断火试验,不缺缸;拆卸火花塞检查,电 The overhaul completed by our plant a TJ 7100 Chaal car engine, commissioning, cold machine easy to start, fast warming; to 85 ° C idling stable, poor acceleration, muffler emissions thicker black smoke, accompanied by "sudden process Sound, but also smell the smell of gasoline, like lack of cylinder; flameout difficulties, mandatory flameout, restart is also very difficult. After the fire test, no lack of cylinder; remove the spark plug inspection, electricity