Question about Saturn L300
Get the fuel pump relay checked.The relay in engine compartment fuse box under hood.The fuel pump relay is controlled by ecm. May be the new ecm is not controlling the fuel pump relay.The relay ground is connected to ecm.If the ecm is not functioning properly and not controlling relay, then it will not let the fuel pump to start.Either replace the relay and confirm r by pass the relay and check. If the fuel pump works by the by pass of relay, then its faulty relay.If still no fuel pump working then its faulty ecm.' ---------- It has to be rechecked and replace.Check out.Keep updated.Thanks.Helpmech.
Posted on Apr 11, 2011
Hi, this sounds more like an ignition switch or fuse issue. Why did he think it was the ECM? Is the engine light on, and if so, what is the trouble code? BCM can affect the gages but usually will not impact engine operation. What does it do when you try to start it? I assume it turns over but does not start, right?
Posted on Apr 09, 2011
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Posted on Jan 02, 2017
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