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Search: Posts Made By: billr
Forum: S-Series Tech 12-14-2019, 01:08 PM
Replies: 43
Views: 994
Posted By billr
Re: 1997 SW2 Crank but no start, stuck on wiring.

My best guess is that there was an orifice in the head that plugged and prevented lifters from bleeding down properly. They only had it in their shop for about 1-1/2 hr, but I suppose they could...
Forum: S-Series Tech 12-13-2019, 11:46 PM
Replies: 9
Views: 133
Posted By billr
Re: 2001 SW2 hesitation

This is the best I've found so far. the diagram in reply #2 shows the pin-out. A and E are the coil and B-C-D are the pot connections.

I am getting the feeling from other threads I found that...
Forum: S-Series Tech 12-13-2019, 08:47 PM
Replies: 43
Views: 994
Posted By billr
Re: 1997 SW2 Crank but no start, stuck on wiring.

Question all you want, but I know it happened; and I was there (with my compression gauge).
Forum: S-Series Tech 12-13-2019, 08:44 PM
Replies: 9
Views: 133
Posted By billr
Re: 2001 SW2 hesitation

Check the coil and pot resistance with an ohmmeter. It is easy to do, you don't have to remove the EGR valve to see if the pot is open-circuit. If you find an obvious fault with the coil or pot...
Forum: S-Series Tech 12-13-2019, 02:26 PM
Replies: 9
Views: 133
Posted By billr
Re: 2001 SW2 hesitation

Did blocking the EGR ports eliminate the hesitation, along with making it seem to have more power?

If all is better with the EGR flow completely blocked, then any cleaning/reaming/blowing of the...
Forum: S-Series Tech 12-13-2019, 02:10 PM
Replies: 43
Views: 994
Posted By billr
Re: 1997 SW2 Crank but no start, stuck on wiring.

"So they replaced the engine under warranty?"

No, or not likely, at least.

They towed it from my garage and called 2 hours later saying it was ready to pick up. They said nothing was wrong, it...
Forum: S-Series Tech 12-13-2019, 12:43 AM
Replies: 43
Views: 994
Posted By billr
Re: 1997 SW2 Crank but no start, stuck on wiring.

" No way I could have lost all compression just parking it overnight."


It happened to me in '94 when my SL2 was only one month old. No reason was ever found (that the dealer would tell me...
Forum: S-Series Tech 12-12-2019, 09:35 PM
Replies: 43
Views: 994
Posted By billr
Re: 1997 SW2 Crank but no start, stuck on wiring.

Pull the plugs to let them dry out and check compression. If compression is OK, then pull the injector fuse (that prevents fuel during priming as well as cranking, the "throttle down" does not) and...
Forum: S-Series Tech 12-12-2019, 09:29 PM
Replies: 8
Views: 148
Posted By billr
Re: 97 SW2 Manual RPM's rev up while Hwy driving in 5th gear.

That is often symptom that the clutch is slipping under full engine load.

The next time you are cruising in 5th, at about 3000 rpm and on flat ground, punch the accel pedal quickly to the floor...
Forum: S-Series Tech 12-10-2019, 11:11 PM
Replies: 3
Views: 51
Posted By billr
Re: 99 ECM into a 98 SL with a 95 DOHC 5 spd

You have low-Z injectors driven by drivers intended for high-Z? They will work OK (not perfect, dead-time will be a bit wrong) for a while, but will eventually fail due to over-heating of the coil. ...
Forum: S-Series Tech 12-10-2019, 03:30 PM
Replies: 17
Views: 7,710
Posted By billr
Re: Spark Plug Wires Firing Order

Yeah, lots of confusion here. The firing order is 1-3-4-2. The meaning of firing order never changes, no matter what the engine type is. Cylinder numbering order or order of plug wires on a cap or...
Forum: S-Series Tech 12-06-2019, 11:39 AM
Replies: 20
Views: 335
Posted By billr
Re: What causes ignition retardation?

Not so strange. There would probably be no (knock sensor) code as long as some signal is reported to the PCM. False triggering, like from a banging idler, would be a "normal" knock. When you...
Forum: S-Series Tech 12-05-2019, 05:25 PM
Replies: 20
Views: 335
Posted By billr
Re: What causes ignition retardation?

Nope. Under heavy load (accel, high MAP) the spark advance will be reduced.

Rather than a goat, how about a scanner that yields better live-data?

You might try disconnecting the knock...
Forum: S-Series Tech 12-05-2019, 02:07 PM
Replies: 20
Views: 335
Posted By billr
Re: What causes ignition retardation?

How are you reading that retard, with live-data? Doesn't the live-data identify if it is "knock retard" or "knock detected"? Also watch MAP, see if that if flaky. spark advance is primarily...
Forum: S-Series Tech 12-04-2019, 04:55 PM
Replies: 4
Views: 104
Posted By billr
Re: 97 sl2 ecm question

What codes are being set? Check before you start out, to see if everything is really being reset. Then check again at the end of the driveway, when the CEL first comes on; and check after it has...
Forum: S-Series Tech 12-03-2019, 04:25 PM
Replies: 152
Views: 3,875
Posted By billr
Re: 1998 Saturn SL2 won't start when parked on driveway incline

As I recall (it has been a long thread), this has always been a "will crank but no fire" problem. Based on that, I never have felt it is a battery/alternator problem.

My perception is that you...
Forum: S-Series Tech 12-02-2019, 09:58 PM
Replies: 3
Views: 101
Posted By billr
Re: Head Gasket External Oil Leak

How was the block deck checked for flatness?
Forum: S-Series Tech 11-23-2019, 10:01 PM
Replies: 8
Views: 256
Posted By billr
Re: No reverse after valve body replacement.

I only recommend Central Valve Bodies. Others (like Partin or Special Forces) don't do both the main Sonnax upgrades.
Forum: S-Series Tech 11-23-2019, 01:27 AM
Replies: 8
Views: 256
Posted By billr
Re: No reverse after valve body replacement.

Loss of R is often due to a loosened ISN. That is caused by the VB but cannot be fixed by replacing the VB.
Forum: S-Series Tech 11-23-2019, 01:25 AM
Replies: 18
Views: 662
Posted By billr
Re: battery vs. alternator

No, the radio operation is not a definitive indication of alternator condition.

Were you unable to perform the AC voltage test, or did it come up with essentially zero VAC? If zero, was that on a...
Forum: S-Series Tech 11-22-2019, 06:12 PM
Replies: 18
Views: 662
Posted By billr
Re: battery vs. alternator

Try reading battery voltage, with the engine running at a "fast idle" (~2000 rpm), using an AC scale on the meter. If the AC voltage is much more than 1V, then the alternator probably has some bad...
Forum: S-Series Tech 11-20-2019, 12:26 PM
Replies: 11
Views: 712
Posted By billr
Re: weirdness

Bear with me, I am talking about "weird" stuff to try un-stumping you.

Are the stereos both the same? OEM or aftermarket?

Does she have a big wad of keys hanging on both switches?

Have you...
Forum: S-Series Tech 11-19-2019, 01:07 AM
Replies: 10
Views: 300
Posted By billr
Re: Is my starter blowing my IGN 3 fuse?

Certainly any short-to-ground in the PPL wire circuit could blow the fuse, but that range/safety switch is mostly plastic, so I wouldn't expect such a short there; but not impossible.
Forum: S-Series Tech 11-19-2019, 12:47 AM
Replies: 10
Views: 300
Posted By billr
Re: Is my starter blowing my IGN 3 fuse?

Hmm, I suppose if the starter solenoid was shorted to ground or the winding was shorted to be very low resistance, and that 30A fuse supplies power to the ignition switch, then the shorted solenoid...
Forum: S-Series Tech 11-19-2019, 12:33 AM
Replies: 10
Views: 300
Posted By billr
Re: Is my starter blowing my IGN 3 fuse?

Letting the "PPL wire" terminal short-circuit to the large terminal for the battery/alternator terminal would force the starter to be cranking all the time, and sure would not be good for the...
Showing results 1 to 25 of 500

 
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