Question about 1994 Ford Thunderbird

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Rough idel my 94 t-bird has very rough ilde plugs,wires,cap,rotor button mass air flow sensor ,air filter fuel filter have been replaced

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  • george369777 Feb 12, 2009

    my t bird some times wants to shut off but it doesent its weird does the fuel injectors or the oxygen sensor have something to do with this

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Possible fuel injector cleaning required. Could also have oxygen sensors checked.

Posted on Nov 17, 2008

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3 Answers

My 94 Toyota Camry 4 cyl is running really rough and stalling out once the engine warms up


1. Error Code 24. Intake Air Temperature Sensor.
Solution:
Check the following:
- IAT Connector and wiring.
- Intake Air Temperature Sensor.
- Engine Coolant Temperature Sensor.
- ECM.
2. Rough Idling when the engine is hot.
The following are the reasons due to which the engine can perform bad when it is hot.
- Fuel pump control circuit.
- Fuel pump pressure.
- Fuel injectors.
- Non Return Valve clogged, located on the lower side of car chassis above the fuel tank.
- Engine compression, valve clearance, spark plugs.

Apr 14, 2014 | 1994 Toyota Camry

1 Answer

94 Nissan Sentr has a miss problem. Sputters at an even speed, but ok when accelerating. Have had the following replaced, but did not fix the miss. Plugs & wires, cap & rotor, 4 fuel injectors,...


Have you checked for vacuum leaks? Also the Air Mass Sensor can create the symptom described. It has what is called a hot wire air mass sensor.When air flows through a route around the hot wire, the heat generated from the hot wire is taken away by the air. The amount of heat depends on the air flow. On the other hand, the temperature is automatically controlled to a certain number of degrees. Therefore, it is necessary to supply the hot wire with more electric current in order to maintain the temperature of the hot wire. The ECM knows the air flow by means of the electric change. WHOOSH! Get that? A vacuum leak can cause the problem. A problem with the air mass sensor would be a likely suspect. Check for solid grounds. DO NOT THROW PARTS AT IT!

Jun 16, 2011 | 1994 Nissan Sentra 4-Door

1 Answer

VERY ROUGH IDLE NO EXCELERATION


Try a few if these ideas...

Priority Action Part Type Cause
1 Inspect Spark Plug Fouled, Damaged, or Broken Spark Plug(s).
2 Inspect Hose (PCV) Clogged or Collapsed PCV Hoses.
3 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s).
4 Inspect Distributor Worn, Damaged or Faulty Distributor.
5 Inspect Catalytic Converter Clogged or Faulty Catalytic Converter.
6 Inspect Fuel Pump Low Fuel Pressure.
7 Inspect TimingSet Slipped TimingChain or Worn TimingGear(s).
8 Inspect Knock Sensor Improperly Connected or Faulty Knock Sensor.
9 Inspect M.A.P. (Manifold Absolute Pressure) Sensor Faulty M.A.P. Sensor.
10 Inspect Throttle Position Sensor Faulty or Incorrectly Connected Throttle Position Sensor.
11 Inspect Mass Air Flow (MAF) Sensor Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit.
12 Inspect Air Cleaner Temperature Sensor Damaged or Faulty Air Cleaner Tempature Sensor.
13 Inspect Fuel Injector Pressure Regulator Faulty Fuel Injector Pressure Regulator.
14 Inspect Piston Ring Set Worn or Broken Piston Rings.
15 Inspect Timing Specification Incorrect Ignition Timing.
16 Inspect Fuel System Pressure Incorrect Fuel Pressure Being Delivered to Carburetor or Fuel Injection System.
17 Inspect Fuel Filter Clogged or Dirty Fuel Filter.
18 Inspect PCV Valve Plugged or Damaged PCV Valve.
19 Inspect Valve Burned, Worn, or Sticking Exhaust Valves.
20 check idle stop solenoid - if faulty, could cause rough idling
21 inspect distributor cap/rotor - if burnt, could cause loss of acceleration

Apr 18, 2011 | Chevrolet Cavalier Cars & Trucks

2 Answers

Runs ruff changed mass air flow plug wires plugs


check for vacuum leaks, check distributor cap and rotor button, clean or replace as necessary. Use quality injector cleaner.

Feb 18, 2010 | 1993 Lincoln Mark VIII

1 Answer

Rough idle no power when given gas


check spark plug connections,if you didnt replace the cap and rotor ,they will fail quickly,because new wires and plugs are going to demand more current,old cap and rotor just cant handle,is that the mass air flow sensor that you replaced?very delicate part,must be clean,and mounted securely,double check part no. make sure they gave you the right one,if you put in a used one ,all i can say is that you get what you pay for.check fuel pressure,its possible that the fuel pump is starting to fail,and the tune up has nothing to do with the problem(consider this option only if nothing else works)

Sep 22, 2009 | 2004 Chevrolet Silverado 1500 Crew Cab

2 Answers

1999 Ford Taurus mechanical problem


Hello,
your problem appears to be the idle control motor located on the air intake manifold it is a small motor that goes bad quite often. Other items that can cause this is a bad /clogged air filter or a tune up (spark plugs and wires), or clogged fuel injectors. to clean the injectors you can buy a container of fuel system cleaner and pour it into the gas tank and as you drive it cleans the system.

Once the fuel system is cleaned via a tankful of cleaner & gas then the idle controller motor would be next on the list to be replaced.

Good Luck !
Rich Lilja

Dec 03, 2008 | 1999 Ford Taurus

2 Answers

94 mercury cougar wont run after 10 min


the fuel filter is either blocked or installed in the wrong direction.the rotor and distributor cap are fine. swop the fuel filter around and try again.

Dec 02, 2008 | 1994 Mercury Cougar

2 Answers

Motor runs very rough and has no power when going down the road?


Also check you Mass Air Flow Sensor. If they go bad or get dirty they run terrible. You can purchase MAF cleaner at most auto part stores. Give this a try, its cheap.

Jul 20, 2008 | 1999 Chevrolet Blazer

1 Answer

I have a 1999 oldsmobile intrigue that is misting a lot. It idels rough, and runs rough. I can still take off it is a little slow, but I can still go pretty fast, but it still mist at the high speeds...


fuel pressure regulator on the fuel rail is probably it or the egr valve is stuck open allowing burnt fuel to flood the intake, im leaning towards the fuel pressure regulator because the o2sensor is probably reading rich or if its reading lean then i would choose the egr valve . good luck

Jul 06, 2008 | 1999 Oldsmobile Intrigue

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