20 Most Recent 1991 Oldsmobile Ninety Eight Regency - Page 8 Questions & Answers


Crank shaft position sensor

1991 Oldsmobile... | Answered on Mar 18, 2009


I had a 90 Cutlass Supreme that did that too. I just got into the dash and forced the arm on the main gate open.

1991 Oldsmobile... | Answered on Feb 25, 2009


The heater core is located on the passenger side of the vehicle. If this has been bypass the core is surely leaking. The heater core pipes should be visible from un der the hood, passenger side of vehicle towards the firewall. keep me posted, and keep an eye on that heater core, there is reason for the prior owner not to have heat.

1991 Oldsmobile... | Answered on Feb 21, 2009


Code 22 refers to retarded advance camshaft Position Bank 2. the eaasiest way is to get a known good ECM and replace in place of the old one. if it runs good. replace it.

1991 Oldsmobile... | Answered on Feb 13, 2009


The blower resistor may be going bad and need replacing. Does it do it only on one or any fan speed? I'm not sure where that particular part is located for it has been number of years I have looked at vehicles older than 18 yrs. but I hope this steers you in the right direction. Jesus loves you, John 3:16-17 (KJV)

Oldsmobile... | Answered on Sep 08, 2018


I think you could use this manual method instead.. My nephew used it to repair my
car and it's totally perfectly fine now. Here's the website he bought it from. www.reliable-store.com

Oldsmobile... | Answered on Mar 07, 2018


GM doesn't believe in making things easy. No access panel

Oldsmobile... | Answered on Sep 26, 2017


How do you know it's surging? In any case, about the only thing that can cause this is a faulty regulator in the alternator, or a poor wiring connection (e.g. battery cable or at alternator).

Oldsmobile... | Answered on Jul 11, 2017


Have you checked the vacuum line with a gauge? If so, how many pascal units does the vacuum line read? Vacuum gauges are around $5. Furthermore, I believe the design is sealed vacuum only system. The solenoid could be bad, but to my knowledge it is not an electrical component. A split in one of the vacuum lines could be cause of your problem. You would have to trace the all the vacuum lines back to the source to find the problem. You would need that gauge to detect a leak in the system. Could also replace all the vacuum lines on principle since the vehicle is going on two decades.

Oldsmobile... | Answered on Mar 31, 2017


Sorry Doris. It is the transmission is gone.

Oldsmobile... | Answered on Oct 18, 2016


On the rear of the vehicle

Oldsmobile... | Answered on Aug 25, 2015


On most cars in this era, the pump itself can be adjusted by loosening the mounting points at the front and rear of pump.

Oldsmobile... | Answered on Jun 12, 2015


Behind the firewall? Sounds like you need to take your dash off and get at it from the inside.

Oldsmobile... | Answered on Jun 05, 2014

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