Question about 1993 Saturn SC2

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I have a 93 saturn 5 speed 1.9 dohc the injectors ar bad i found out that cavalier and s-10 injectors were compatible what other cars injectors are compatible

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Yes. Saturn is a sub-company of the General Motors Co., or at least they used to be.

Posted on Feb 03, 2010

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I need a wiring diagram for a 91 Saturn SL. DOHC? Injection and sensors. I unplug #1 injector it runs I plug it in it dies.


I would ohm check the injectors with a multi meter. If the #1 injector is significantly different than the other three than you found the problem. The other possibility is the dark green wire is shorted to ground. All the injectors are supplied power by the pink with black wire. Each injector is then controlled by the pcm. If the dark green wire is not shorted to ground than a noid light would be needed to see if the PCM driver for that injector has failed allowing the injector to stay permanently on and essentially flooding the engine until it stalls.

Oct 09, 2016 | 1991 Saturn SL

1 Answer

My 93 Geo Metro 1 liter 5 speed runs fine but ifvu


6th post wins, with Injector.
the injector can fail for these reasons.
the problem in car lingo, is FLOODING.
and after doing all that did it run? (my other shoe drops)!

1: the 0-rings bad, on side.
2: the injector is bad, it leaks.
3: the ECU injector drive line is failing. (bad ECU)
4: loss of spark always ends in flooding.
5: ECT sensor bad, sending water temp reading to -40C Siberian.
did you get the FLASH codes from the CEL lamp yet, with the
diagnostic jumper , inserted?
6: bad need of tune up, air filter clogged, spark plugs long ago, dead.
do a tuneup every 10 years, or 60k miles and win..
7: Cam belt slipped, low compression for any reasons. again, the 60k mile tune up wins.

when you crank the engine over, with the throttle at wide open throttle
this ACT, cuts all injections. cranking, this covered in the operators
manual, for UN-Flooding all gas engines. and all EFI engines.
and all Suzuki's' (or Geos)

on old dogs like this, i do compression first.
saving a fortune in parts , time and labor, if bad.
do it WOT, wide open throttle.

cheers !

Sep 23, 2014 | 1993 Geo Metro

1 Answer

Need head bolt torque specs for a 1996 saturn sl


Quote:





Originally Posted by norvelplagbao52

1993 saturn sl2 1.9 dohc cylinder head torque
specs and sequence
Cylinder head bolt
tightening procedure:
CYLINDER HEAD BOLT TIGHTENING SEQUENCE:

INTAKE
SIDE
8 4 1 5 9

7 3 2 6 10
EXHAUST SIDE

In sequence,
torque the cylinder head bolts. Torque: 30 Nm (22 ft-lbs).
In sequence,
torque all bolts. Torque: 50 Nm (37 ft-lbs)
In sequence, turn each bolt an
additional 90 degrees.





Originally Posted by norvelplagbao52

1993 saturn sl2 1.9 dohc cylinder head torque
specs and sequence
Cylinder head bolt
tightening procedure:
CYLINDER HEAD BOLT TIGHTENING SEQUENCE:

INTAKE
SIDE
8 4 1 5 9

7 3 2 6 10
EXHAUST SIDE

In sequence,
torque the cylinder head bolts. Torque: 30 Nm (22 ft-lbs).
In sequence,
torque all bolts. Torque: 50 Nm (37 ft-lbs)
In sequence, turn each bolt an
additional 90 degrees.

Sep 19, 2013 | 1996 Saturn SL

1 Answer

1993 Saturn SC2 will not crank, but tries to turn over?


You are saying the engine cranks but does not start, right ?
Does it sound like it has compression ? If not could be a broken timing belt.

Jan 08, 2013 | 1993 Saturn SC2

1 Answer

93' cavalier, very rough running. Missing badly at all speeds and loads, including at idle in park. changed plugs and no change in symptons. Is this an injected motor (4 cyl)?


Yes it is fuel injected. If it runs but has no power there is a good chance that an ignition coil went bad and there would be no spark to two cylinders. Cylinders 1 and 4 are partners on the same coil and 2 and 3 are partners. Usually these cars if an injector goes bad they have an external leak.
You can try to listen to them by holding a screw driver to each on while its running but I don't think
that will be your problem anyway.Another giveaway for the coil could be a gas smell like it is partially flooded. When you changed the plugs were any of them wet with fuel ? There is also a chance that if the engine works ok at highway speeds that the egr valve is stuck open. This causes
rough running at idle and bad hesitation until highway speed is achieved. Hope this helps or let me know and we'll figure it out.

Paul

Dec 28, 2010 | 1993 Chevrolet Cavalier

1 Answer

Torque specs /head GASKET/2001 cavalier


for the 2.2L OHV:
(pully 8 4 1 5 9 <-- long bolts @ 63Nm (46ft/lb)
side ) 7 3 2 6 10 <-- short bolts / 10 is the stud @ 58Nm (43ft/lb)

for the 2.4l dohc are as follows:
(pully 9 3 1 5 7
side) 10 6 2 4 8
bolts 1-8 torqued to 65Nm (40ft/lb)
bolts 9-10 torqued to 40Nm (30ft/lb)

then (either engine) give each an additional 90° (¼) turn

it's best to do the tightening in stages, you don't want to go completely tight on the first pass or there will problems and you'll get to do it all over again

May 20, 2010 | 2001 Chevrolet Cavalier

1 Answer

2000 Cav 2.4L DOHC possible lifter tap?


If the tapping noise speeds up with the speed of the engine, it's a lifter.
Being a DOHC, is not an easy job.

Feb 10, 2010 | 2000 Chevrolet Cavalier

2 Answers

Will not start after it stalls untill about 5-10 minutes


spray carb cleaner on the intake manifold near cylinder 1... common problem is the intake manifold gasket leaks vacuum causing a misfire...the not starting could be due to a faulty crank sensor

Feb 27, 2009 | 2002 Saturn Sl

1 Answer

Need to know engine compatibility for my 1999 Saturn SL2 DOHC


make sure its full block dual over head cam (DOHC) it shoud fit. 97 to 99 its the same as far as i know. cause i replaced a 99 with a 97.

Feb 02, 2009 | 2000 Honda S2000

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