Question about 1995 Oldsmobile 88

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1995 olds 88 runs fine until its been running awhile,then it seems to idle rough,and seems to labor after stopping

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Check engine light on? I had an air flow sensor give trouble like this. Check for a vacuum leak too.

Posted on Apr 15, 2009

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Quit easy test to is unplug ur torque convertor wiring on the transmission see if that helps

Posted on Apr 14, 2009

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88 f150 351w forever to start and when it does it runs real rough until I hold gas down for a minute then idle rough but will start right back up unless it sits awhile doesnt want to start back up


There are several possibilities for this problem. A "cold start" sequence is suppose to activate based on water temperature and the signal from the water temperature sensor. This makes the fuel rich and adjusts timing to make the engine run better when cold. It works like a choke only it is electronic.

There may be 2 sensors with one making the dash gauges work and the other doing the engine controls. If not 2, then 1 sensor would do the whole job.

Another possibility is an air leak in the fuel system which makes the system bleed dry overnight. It is far less common on gas engines but happens a lot on diesels.

Some earlier Ford engines from 1984 to I don't know when they stopped on trucks, would use a step-up solenoid on the accelerator bracket that worked off water temperature. Sometimes a bad water thermostat would make the temperature controls malfunction the other way (High idle, clicking, low idle) that would stall and engine as the temperature vary.

Feb 27, 2015 | 1988 Ford F 150

1 Answer

1995 Oldsmobile 88 LSS 3.8 smokes at idle


Valve stem seals. Oil is thicker when cold (hence no smoke when cold) Vlave stem symptoms are when engine at idle (high vacume) oil is pulled through the guide seals, when you take off from lights get bit of smoke until oil is burnt. Ring symtoms is it would be blowing smoke all the time especially at higher rpm for extended time ie: driveing. Have you thought of trying a thicker oil? what oil grade do you currently run?

Jun 28, 2012 | 1995 Oldsmobile 88

1 Answer

1995 Ford Escort LX, runs rough inconsistently, over 35mph it runs fine, under 35mph it is extremely rough, it is idling around 1000rpm - it used to idle around 500rmp. From an idle it is slow to get...


First of all there is a vacume leak, second how is the air filter?, tell the husband to change the MAF mass air flow sensor and I would also change the TEMP tempreature sensor.

Mar 02, 2011 | 1995 Ford Escort

2 Answers

Hello--toy will start and run fine for awhile and


I would do a visual inspection around the top of the engine for vacuum lines that look deteriorated of broken. Also check the hose from the air cleaner box where it conects to the motor. Had one recently where the underside of it was cracked and air coming in there is after sensors and makes the car too lean robbing power and making idle rough. If this helps please reply and good luck

Apr 27, 2010 | 1995 Toyota Camry

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95 Maxima engine stalls, then runs fine


change the mass air flow meter.You have nothing to lose that supposed to be changed at 60.000.miles

Jun 11, 2009 | 1995 Nissan Maxima

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Car stumbles,hesitates,loses power on Hwy, randomly


Did you check earth connection of electric system?

May 10, 2009 | 1995 Oldsmobile Eighty Eight

1 Answer

88 olds ciera with multi port injection


hi I had the same problem i did what you but i did not change the spark cable or caps if you change them you sould get rid of your problem until your next tune-up.
good luck.

Apr 29, 2009 | 2003 Hyundai Santa Fe

1 Answer

Rough idel when cold start


if u have a damaged plug it can be running on 1 less cylinder ,it will idle very rough,change it!

Mar 26, 2009 | 1993 GMC Safari

1 Answer

88 dodge dakota has rough idle and stalls at slow down.


Change/thoroughly clean the idle control solenoid. It may be sticking and causing rough idling.
Cleaning it is unlikely to be more than a short-term solution.

Jan 07, 2009 | 1988 Dodge Dakota

2 Answers

My 1998 Olds 88 has been stalling and running rough.


Check and clean the IAC valve. Idle Control Valve. Use brake cleaner or carburater cleaner . Remove the duct work from the air filter assembly. It is located just inside . Run the engine at 1200 rpms and spray the valve. The valve can also be removed and cleaned.

Jan 07, 2009 | 1998 Oldsmobile 88

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