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throttle position sensor replacement Pennock''s Fiero Forum

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8/2/2020· 1986 V6 Fiero. Engine will not idle. car has been sitting a long time, and probably has not been on the road for 6 or 7 years. It will run if I feather the throttle. All sensors on the engine have been replaced with new ones, including the oil pressure switch, …

The Fiero Store

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V6 Sensor Component Locations 8588 Pontiac Fiero Coolant Fan Switch Located next to the thermostat housing. This switch screws into the intake manifold vertically, next to the thermostat housing and the cold start injector switch. It has a one wire connector. Temperature Gauge Sending Unit Located on the top corner of the rear cylinder head.

3 Ways to Check an Idle Air Control Valve wikiHow

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22/3/2021· The idle air control valve — also known as the "idle speed control valve" — regulates the idle speed of your engine. This is controlled by the engine''s computer. Sometimes parts go bad, which results in your car idling strangely or stalling. Check to see if your idle control valve is functioning properly before attempting to replace it.

SOLVED: My 86 Fiero GT only has 58,000 miles, it has been ...

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2 Answers. My 86 Fiero GT only has 58,000 miles, it has been in a climate controlled storage building most of its life, so, it has sat, it had a new fuel pump and strainer basket, and filter installed and old gas drained in September. It idles fine, but when you go to accelerate, it tries to die, I have changed the air filter, and cleaned all ...

Pontiac Fiero Idle Air Parts | Advance Auto Parts

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The best part is, our Pontiac Fiero Idle Air Parts products start from as little as When it comes to your Pontiac Fiero, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Idle Air Parts product and part brands so …

Idle speed issues Real Fiero Tech

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17/5/2008· Idle is now hovering between 950 and 1k. I can get the idle to drop to 900 by moving the hard line between the front valve cover and intake tube, so i ordered a set of pcv grommets from the fiero store. hopefully this is the final step in this cure. figure i shaved a pound or 2 off the car in the process by getting rid of that 1" wide unused pipe.

Fiero Troubleshooting Guide

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33 MAP sensor (check vacuum lines from MAP sensor, check connections at ECM, replace MAP sensor) 34 MAP sensor (voltage is likely low from MAP, replace MAP sensor) 35 Idle air control (closed idle speed out of tolerance, replace IAC) 42 …

1984 Pontiac Fiero Engine Hard to Start Will Not Idle

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MEMBER. 1984 PONTIAC FIERO. 4 CYL. 2WD. MANUAL. 87,000 MILES. Just recently my 1984 Fiero is hard to start and will not idle. I tried to adjust the idle screw but it does not help. I unhooked the MAP sensor and it will idle at a higher speed and the check engine light stays on.

1986 Pontiac Fiero Fuel Sensors, Relays Connectors ...

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Pontiac Fiero 1986, Idle Air Control Valve Connectors by Dorman®. 4 Way . Without Leads. Dorman offers a comprehensive line of Idle Air Control Valve Connectors for a wide range of applications. All Dorman Idle Air Control Valve...

Pontiac Fiero Idle Air Parts | Advance Auto Parts

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The best part is, our Pontiac Fiero Idle Air Parts products start from as little as When it comes to your Pontiac Fiero, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Idle Air Parts product and part brands so you can shop with complete confidence.

Pontiac Fiero Idle Control Valve Idle Valves ...

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We stock these Idle Control Valve brands for the Pontiac Fiero: Replacement Standard Motor Products Walker DIY Solutions Delphi AC Delco Forecast. Idle Control valves available for the following Pontiac Fiero years: 1988, 1987, 1986, 1985, 88, 87, 86, 85. This part …

Map sensor Fiero Focus

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idle. At full throttle you ... The stock MAP sensor used on Fiero engines is what as known as a 1bar MAP sensor. This means the sensor is designed to read up to 1bar of atmospheric pressure difference. Applications using a turbo or supercharger may have a 2 or 3bar MAP sensor. ... The MAF or Mass Air Flow sensor (if present) ...

Erratic/highidle Issue Pennock''s Fiero Forum

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18/1/2015· So here''s the deal: I have a 1986 Fiero GT (155,000 miles, stock , 4speed manual) with a persistant idle issue that has me a bit stumped. When I bought this car a couple months ago, it had a high/erratic idle. No check engine light, but the computer did show the infamous code 32. While idling, it revved up and down between about 18002800 RPMs. I''ve spent some time fixing a few things on the

Pontiac Fiero SE: 86 Fiero automatic. stalls at stops.

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Pontiac Fiero SE: 86 Fiero ... 86 Fiero automatic. stalls at stops. have changed eci module and rotor too. all sensors have been changed out over time. it will even quit sitting in ... engine is very hot. voltage drops and any sudden steering movement or braking makes the engine stall. i replaced the idle air control and ...

1986 Pontiac Fiero Replacement Throttle Bodies

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Designed to deliver troublefree, consistent performance Right for your vehicle and lifestyle. WVE® Idle Air Control Valve. 0. mpn4652067105. Pontiac Fiero 1986, Idle Air Control Valve by WVE®. Replace your wornout or faulty …

Idle Control Valve: Can Anybody Help Me on How to Clean ...

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198486 MODELS 1. Disconnect the negative () battery cable. 2. Remove the air cleaner assembly. 3. Remove the Idle Air Control Valve (IAC) electrical connector. 4. Using a 1 1 / 4 in. Wrench, remove the IAC valve from the throttle body. Before installing a new IAC valve, measure the distance that the conical valve (pintle) extends.

1984 Fiero Electrical Diagrams

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Fuel Control, Idle Air Control Vehicle Speed Sensors Electronic Fuel Injection Wiring Circuit (Fuel Control, Idle Air Control Vehicle Data Sensors) 1984 Pontiac Fiero 4151 ECM Wiring Diagrams: White Connector VIN R, VIN 2 Fig. 024 ECM Wiring Diagrams

1985 Pontiac Fiero High Idle Speed: Recently, When You ...

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1985 Pontiac Fiero High Idle Speed. Recently, when you turn on my car it starts out idling anywhere between 1500 rpm to 2000 rpm, which is somewhat normal for startup. But if you let the car heat up and you start driving it all of the sudden, it will start accelerating on its own. So I take it out of gear and the car will be idling somewhere ...

Fiero Troubleshooting Guide

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33 MAP sensor (check vacuum lines from MAP sensor, check connections at ECM, replace MAP sensor) 34 MAP sensor (voltage is likely low from MAP, replace MAP sensor) 35 Idle air control (closed idle speed out of tolerance, replace IAC) 42 Spark timing (consult repair manual, replace HEI modual)

What do Pontiac Fiero Diagnostic Trouble Codes mean ...

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5/5/2017· What do Pontiac Fiero Diagnostic Trouble Codes mean. Code 12. This code will flash whenever the diagnostic terminal is grounded with the ignition in run, and the engine off. If this code appears while the engine is running, no reference pulses from the distributor are reaching the ECM. Code 13 (Oxygen Sensor Circuit Failure open)

Air Intake Fuel Delivery Parts for Pontiac Fiero for ...

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MAP SENSOR 198488 PONTIAC FIERO, 1986 BONNEVILLE and 1985 PONTIAC PARISIENNE (Fits: 1986 Pontiac Fiero) ... IACV Idle Air Control Valve For Chevrolet GMC Oldsmobile Buick Cadillac Pontiac ... For 19851988 Pontiac Fiero Mass Air Flow Sensor Connector 78597SB 1986 1987 (Fits: 1986 Pontiac Fiero)

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