'96 SL2 will not start cold

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JLBrownie - 21 Jan 2006 15:54 GMT

It began this fall, started the car it ran rough and I notice the temp
gauge jumping from cold to normal operating temp. Disconnected the battery
and checked temp and other connections. That stopped the gauge from jumping
around but now I have to spray starting fluid a few times before it'll run.
I gave it a full tune-up, NGK @ .040, wires, EGR, etc. then had all engine
codes cleared. Codes were misfires on #1 & #4 Cyl, knock sensor.. No
change, any help would greatly appreciated.

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Bob Shuman - 21 Jan 2006 17:03 GMT

Three ideas you can try:

1. Clean the throttle body and air intake thoroughly.
2. Remove the fuel injector connectors and clean them with a good electrical
contact cleaner, then reinstall.
3. Check the fuel line pressure. It could be a clogged filter, fuel pump,
or regulator.

Good luck.

Bob

> It began this fall, started the car it ran rough and I notice the temp
> gauge jumping from cold to normal operating temp. Disconnected the battery
[quoted text clipped - 3 lines]
> codes cleared. Codes were misfires on #1 & #4 Cyl, knock sensor.. No
> change, any help would greatly appreciated.

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James1549 - 21 Jan 2006 18:45 GMT

Fuel pressure & flow would be the first place to start. If it runs ok
after using starting fluid, it generally comes down to a fuel problem.
An engine requires more fuel to start than run. James

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