Question about 1997 Saturn SL

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I have a 1997 Saturn. It is a single overhead cam. I am trying to find the ECU location. Please help.

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Try looking for it on the interior side of the firewall driverside.

Posted on Jun 04, 2010

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2 Answers

Why is the service light on in my saturn sl1?


sc1 means saturn coupe with a single overhead cam engine sl1 means saturn sedan with a single overhead cam engine same engine and same parts for both these cars

Dec 10, 2012 | Saturn SL Cars & Trucks

1 Answer

Which 1.9 motor from saturn is better single over head or dual over headcam


you can not just change the engine you would need to change the transmission and the computer the front exhaust pipe but if you are willing do do it anyway the signal cam engines had a problem with the cylinder heads cracking and the dual cam is common for oil leaks

Jul 29, 2012 | Saturn SL2 Cars & Trucks

3 Answers

Where's the head gasket located on a 1999 saturn sl 1


The head gasket is in between the cylinder head and the engine block. The sly has a single overhead cam engine. This head is know for being porus and allowing oil into the coolant. If this is the problem your having than the only fix is to relace the head. Replacing just the head gasket will not help unless there are other circumstances that ruined the head gasket.

Sep 17, 2011 | 1997 Chevrolet S-10 Pickup

2 Answers

Gentlepersons... have 1992SL1 engine died... gong to replace it ,,, but all involved want to know engine type dual cam? vs ? ... can you tell me how to determine whats in the car now.. vin# nails it...


That is pretty easy. If your Saturn is an SL1 it is single cam if it is an SL2 it is dual cam. That is the only difference between an SL1 and an SL2 - Saturn didn't even bother to put a tag or emblem anywhere on the body to differentiate between the the two models. The 8th digit in the VIN will confirm this for you. If the 8th digit is "7" it is a Dual Overhead Cam (DOHC) engine. If the 8th digit is a "9" then it is a Single Overhead Cam (SOHC) engine. When you have seen both engines, it is pretty obvious by simply looking at them. The DOHC cam cover is much wider and has 2 "humps" with spark plugs and wires going down the center between the humps. The SOHC cam cover is narrow and the plugs and wires go down one side.

Also in the 1992 model year, the DOHC engine was equipped with Multiport Fuel Injection. (MFI) The fuel injectors (4 of them) were located in the top of the intake manifold. The SOHC engine had Throttle Body Injection (TBI) The two injectors were located in the throttle body.

I don't have any pictures of the cam covers, but I have pictures of the cam cover gaskets (AKA Valve Cover Gaskets) you can very easilly see the difference.


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Apr 28, 2011 | 1992 Saturn SL1

2 Answers

Where is the pvc valve?


The pcv valve (stands for positive crankcase ventilation) is located on the valve cover. There will be a hose connected to it (a bit thinner than a finger).

Mar 06, 2011 | 1997 Saturn SL

1 Answer

Is my fuel filter needs to be single or dual?


The same basic engine, a 1.9L 4 cylinder, is in all Saturns 91 through 99. The main difference is whether or not it is a double overhead cam or single overhead cam. There is a fuel filter in the gas tank to keep debris out of the fuel pump, and another one in the fuel line just after it comes into the engine bay. It is a single in line filter and you can buy them at most auto parts stores. It may help the salesperson if you know if you have the SOHC SL1 or the DOHC SL2.

Aug 11, 2010 | 1994 Saturn Sl

1 Answer

How do i know if my saturn is an LS1 or an SL?


yes there is, be sure you order the correct one, dual overhead cam is usually a sl2 and a single overhead cam is a sl1.

Jul 23, 2010 | 2000 Saturn SL

1 Answer

I just need to know what size engine comes in a saturn SL1, it's a 1997?


Unless it has been modified it is a 1.9L 4 cylinder, the same engine in all Saturns from 91-99. The only difference is whether or not it is a SOHC or DOHC, meaning single or double overhead cam. Double overhead cam has spark plug sockets in the center of the top of the head and is overall slightly larger than the SOHC engine which has spark plug sockets on the front of the engine. Usually there will be something on the rear bumper like DOHC as well. The engines are nearly identical in all other respects but the transmissions are not the same. If your car has 14 inch wheels most likely you have a SOHC while if your wheels are 15 inch you have a DOHC.

Aug 04, 2009 | 1997 Saturn SL

1 Answer

1993 Saturn SW styles


SW1 is a single overhead cam. SW2 is a dual overhead cam both have multi port injection.

Dec 16, 2008 | 1993 Saturn SW1

2 Answers

My Saturn 1997 SL1 doen't like to start


CHECK THE COILS, WE HAD THE SAME PROBLEM SPENT MONEY ON NEW STARTER, BATT, ETC. .....GOOD LUCK

Nov 04, 2008 | 1997 Saturn SL

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