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4.9 motor mount torque strut
(by Dizzixx, started: 04-21-2016, last post: 2016-04-29 14:52:24 CEST)
Can someone link me a thread with a 4.9 torque strut motor mount setup? I went with the 3 point setup when I did my install and have always had problems eating motor mounts. I would like to solve this issue and was thinking I would do the factory style torque strut but I couldn't find a thread with...
Score: 633, Size: 36 bytes
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4.9 ECM reading low voltage. On what Pin ?
(by falcon_ca, started: 08-07-2013, last post: 2013-08-08 09:46:09 CEST)
I need to know what is the pin used by 4.9 ECM gets the voltage information, because according to TunerPro, it see 11.2 Volts while my Multimeter reads 13.4 or higher. There is probably something wrong with that wire/pin.
Score: 633, Size: 52 bytes
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Cadillac 4.9 StickPony Chip Code E65
(by falcon_ca, started: 05-16-2014, last post: 2014-05-17 03:21:31 CEST)
I have a code E65 "C/C Servo position sensor Failure " and I can not find the problem.88 Fiero91 Cadillac 4.9StickPony ChipManual Transmission No A/CNo CruiseI read the codes with TunerPro RTI read somewhere that this code might be caused by a "too low coolant temp" .Strangely, with a cold engine,...
Score: 633, Size: 47 bytes
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4.9 e85 dyno
(by lou_dias, started: 06-06-2020, last post: 2020-07-04 06:34:41 CEST)
Base dyno after switching to E85...the problem was I solved my limp mode issue so now I'm lean... I had switched to E85 to compensate for limp mode. Turned out to be a bad TPS sensor and wiring...now I'm super lean..Once this is fixed 200rwhp and 300ft*lbs should be possible. I am also running...
Score: 633, Size: 21 bytes
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Possible 3800 exhaust solution?
(by Johns 4.9, started: 11-12-2020, last post: 2020-11-15 13:49:04 CET)
Hi. Any of you guys and gals interested in a dual exhaust system with headers for your 3800 series II swap? Still in the early stages of conception. Primary header tubes are 1 5/8 inches and the collectors are 2 1/4 inches. Mufflers are 18" long by 2 1/4 inches. This design will clear automatics...
Score: 633, Size: 41 bytes
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4.9 ECM Code Question
(by deanearl, started: 10-04-2014, last post: 2014-10-07 05:15:24 CEST)
The 4.9 in my fiero is running good but I have a couple of things that I don't think are right when I run my scanner on it. On the scan tool it tells me that the battery voltage is .07volts, I have checked the voltage at C16, B1, A6, C9, and all have voltage as they should when they should. Any...
Score: 633, Size: 31 bytes
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Looking to buy a scanner for a 4.9. Suggestions?
(by JetroGT, started: 01-02-2017, last post: 2017-04-08 03:09:12 CEST)
I'm about done throwing money and parts at it. It has three major issues which could be related. But I won't know until I can get it scanned. I know I can get the free scan at the parts store, but I want a scanner that I can hook to a laptop. Details. 4.9 blockAllante intake90 something Eldorado...
Score: 633, Size: 56 bytes
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4.9 exhaust issue and question
(by fierobear, started: 12-30-2019, last post: 2020-01-06 23:00:24 CET)
Ok, this may be a dumb question but since I’m not an automotive engineer I’ll ask it anyway...I recently got a hold of a 4.9 to swap into a Fiero. On the stock Fiero engines, the exhaust crosses over to the forward side and goes down to the catalytic converter then continues on the bottom...
Score: 633, Size: 40 bytes
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4.9 ease of access
(by Notchback Noob, started: 06-15-2021, last post: 2021-06-16 03:49:26 CEST)
How hard is it to do basic maintenance work on the 4.9 while in the car, without dropping the cradle?As in, can I change the spark plugs, can valve covers come off? Belt changes? I'm pretty settled on a 4.9 swap but if I have to drop the engine to change spark plugs I may change my mind. I used to...
Score: 633, Size: 33 bytes
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Speaking of "cheating on emissions testing"... 4.9 gurus, please look in.
(by Raydar, started: 09-28-2015, last post: 2015-09-30 11:57:07 CEST)
Over the past week or so, VW has come under fire for cheating on emissions testing. Fair enough.A little known (at least to me) fact is that Cadillac was doing something very similar, up until 1995.Seems that the 4.9 engine had a "stalling" (hunting idle?) issue, that manifested itself whenever the...
Score: 633, Size: 80 bytes
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