Question about 1991 Geo Storm

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Geo storm my geo wasnt running then i changed the air flow sensor and it started running but with really high rpm's also i changed the throttle positioning sensor but nothing changed

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Try uplugging throttle sensor see if any change

Posted on Aug 01, 2008

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When i come to a stop the car wants to die unless u keep ur foot on the gas


Hi Wendi:
If the engine runs fine except when you don't have your foot on the gas, maybe the idle stop needs to be adjusted. With the engine off, have someone step on the gas pedal while you look at the linkage at the carb. There should be a plate with a screw in it that keeps the butterfly valve from closing completely. This can be adjusted with the engine running. (SAFETY FIRST - MOVING PARTS CAN BITE)
If the engine will only run at not nice too high RPM, chances are that the idle jet in the carb is plugged, and a carb cleaning and possibly overhaul may be needed.

Mar 22, 2015 | Cars & Trucks

2 Answers

High idle


The throttle position sensor may be causing your issue----This sensor monitors the outside air temp.In the winter the throttle opens up far because th.e air temp is cold and vice versus

Jul 21, 2008 | 1991 Nissan 300ZX

1 Answer

2005 Dodge Ram 1500 4.7 Engine. Starts fine, Idles fine, but when engine shifts into high gear and RPM lowers engine runs really rough under load


Have you checked for a broken valve spring. Repaired a dodge engine with the same running issue as you have described and it was a broken intake valve spring.

Feb 22, 2015 | 2005 Dodge Ram 1500

3 Answers

Engine runs rough and stalls sets a p0068 code on a 05 dodge durango


P0068-MAMFQLD PRESSURE/THROTTLE POSITION CORRELATION
' Image
Theory of Operation
This DTC sets when an unexpected high intake manifold air flow condition exists that
can lead to increased engine speed and puts the NGC into a High Air flow Protection
limiting mode. The High Air flow Protection feature includes RPM limits for when a
Throttle and or MAP sensor limp-in fault is present.
When Monitored
During all drive modes.
Set Condition
If vacuum drops below 1.5Hg with engine RPM greater than 2000 RPM and closed
throttle. One Trip Fault. Three good trips to turn off the MIL.
Possible Causes
-VACUUM LEAK
-RESISTANCE IN THE (FS56) 5-VOLT SUPPLY CIRCUIT
-(FS56) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
-RESISTANCE IN THE (Kl) MAP SIGNAL CIRCUIT
-(Kl) MAP SIGNAL CIRCUIT SHORTED TO GROUND
-RESISTANCE IN THE (FS55) 5-VOLT SUPPLY CIRCUIT
-(FS55) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
-RESISTANCE IN THE (K22) TP SENSOR NO. 1 SIGNAL CIRCUIT
-(K22) TP SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO GROUND
-RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT
-MAP SENSOR
-THROTTLE POSITION SENSOR
-PCM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
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Dec 07, 2014 | Dodge Cars & Trucks

2 Answers

How to locate o2 sensor in chrysler town and town 1994


that is your idle air control valve . it is located on the throttle body next to the throttle position sensor

Dec 02, 2012 | 2001 Chrysler Town & Country

2 Answers

This is a 1997 Geo Metro with 1.3L engine. It starts and runs at fast idle but will not increase RPM's unless you hold the pedal to the floor and then it slooowly increases RPM's (like 30-40 sec.). It...


Manifold Absolute pressure sensor is bad....
It has a plug and a vacuume hose .... and is on the firewall... unplug it and see if that fixes it...

Sep 24, 2010 | 1997 Geo Metro

2 Answers

Wont idle right.Idles at 2000 rpm then drops to 900 or less then usually will stall.If i unplug the mass air sensor while it is running nothing changes. Does this mean it is bad? Thanks,John


MAF concerns the proper mixture of fuel, not the idle speed, so it is most likely all right (if it wasn't, your car would die before it reached 2000 RPM's). Idle speed is controlled by a small motor, generally mounted around the throttle plate. This is controlled by a computer, which judges idle requirements by the input from crank or camshaft position sensors. Make sure that all of your sensors are clean, and in proper operation.

Dec 01, 2009 | 1996 Volkswagen Jetta

2 Answers

High rpm


Welcome to fixya, check the idle air control and the mass air flow sensor.

Aug 10, 2009 | 1997 Chevrolet Cavalier

2 Answers

Throttle Sensor


Under hood, driver side, upper engine area, rear of valve cover, mounted on rear of throttle valve assembly

Mar 29, 2009 | 1992 Geo Storm

1 Answer

Geo Storm almost dies at red lights


check on and IAC (Idle Air Control) motor or cleaning the trottlebody with throttle body cleaner.

Mar 19, 2009 | 1992 Geo Storm

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