why is my 5.7 vortec engine idling to low
97 chevy with 5.7 vortec engine : its idling ruff and low , had it scanned , indicated spider injector needed replacing , had it replaced , starts right up now , still idles ruff and low , but now it has a hesitation after tranny shifts , thought tranny might be slipping a bit , had it serviced , tranny is fine , still has the hesitation . it does need a tune up , this might solve the low and ruff idle . My question is , does the hesitation have to do with the spider injector not being installed properly ? or will a tune up solve this problem ?
the engine was not going through any hesitation before the spider injector was installed , it was running fine except for the low idle. anybody else gone through this problem ?
Idle Air Control Valve may need to be cleaned or replaced. The port it goes into would need to be cleaned out good also. That is a major source of vacuum so you want to make sure it seats back in there good.
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