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What causes a car engine to crossfire at idle?

What causes a car engine to crossfire at idle? By design the resistance it takes to fire the coil via the spark plug is figured into the system. When this resistance becomes excessive due to severely worn spark plugs or a bad ignition coil it can cause these drivers to malfunction at which point they can crossfire into an opposing cylinder either under power or at idle. What causes a Chevy 350 to backfire when idle? If a main vacuum hose such as the power brake booster feed line has broken or failing off it will cause a lean backfire...
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When to use a p2291 injector control pressure code?

When to use a p2291 injector control pressure code? If the PCM detects an insufficient degree of injector oil pressure, a code P2291 will be stored and a malfunction indicator lamp (MIL) will be illuminated. Multiple ignition cycles (with a failure) may be required for MIL illumination. A typical injection control pressure ICP sensor: What is the severity of this DTC? What does the p2285 Ford powertrain control module do? P2285 FORD Description The Powertrain Control Module (PCM) monitors the Injector Control Pressure (ICP) sensor. The code sets when the signal from the sensor is out of factory specifications, and...
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Where to buy ignition switch for Ford F-150?

Where to buy ignition switch for Ford F-150? Shop AutoZone for Ford F150 Ignition Switch. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only Whether it's for work or play, you depend on your Ford F-150 for far more than getting from point A to point B. Do you need a 4.6 engine for a F150? All you'll need is a 4.6 engine with it's wiring harness and pcm... If you don't h... AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new features Can you swap a 5.4 engine for a 4.6? All you'll need is a 4.6 engine with it's...
Easy lifehacks

How do I turn off my overdrive light?

How do I turn off my overdrive light? To get the overdrive light to turn off, and use your top gear, you should be able to locate a button on the side of your gearshift that will allow you to change the setting. If your overdrive light is flashing or blinking, you are not going to be able to correct the issue by pushing a button. What does it mean when your overdrive light is on? If the overdrive light comes on and stays on, you have nothing to worry about. All it means is that the overdrive in your...
Easy tips

What kind of clutch do I need for MY 1987 Mustang?

What kind of clutch do I need for MY 1987 Mustang? Quality clutch kits from AmericanMuscle will assume the added responsibility that comes with boosted performance that your factory clutch won't handle. Choose from a variety of clutch kits for your 1987 - 1993 Mustang with brand names like SPEC, Fidenza and RAM. And be sure to add all the Mustang Clutch Accessories you need as well. What kind of shift knob do I need for a 1993 Mustang? An easy upgrade to your 1979-1993 Mustang is a manual or automatic shifter & shift knob from Late Model Restoration. Improve...
Easy lifehacks

What can cause problems with the throttle system?

What can cause problems with the throttle system? A Vacuum Leak is another potential problem within the ETC. If there is a leak, there will also be a disruption of airflow. Which may cause problems for the throttle system. Which is part of the electronic throttle control system? The electronic throttle control system includes the accelerator pedal, ETC module, and throttle body. The accelerator pedal looks the same as it always has, but its interaction with the throttle body has changed. How to fix the electronic throttle on a car? Then, wait for a minimum of 3 seconds. Now, press...
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What should I do if voltage drop is too high?

What should I do if voltage drop is too high? If the voltage drop exceeds specification, check for corrosion, frayed strands of wire, loose connections or a battery cable gauge that is too small. Ensure the vehicle’s batteries have been tested and that the terminals have been cleaned and tightened. 1) Ensure the battery is charged to 12.4 volts minimum. How does a voltage drop test work on a car? A voltage drop test will assess voltage losses at the battery, the alternator and the starter. 1) With the voltmeter connected to battery, and key and engine off, record a...
Easy lifehacks

Where is the fuel pump relay on a Mustang?

Where is the fuel pump relay on a Mustang? The relay near the PCM is the fuel pump SPEED relay. In low speed mode, there is a ballast resister in series with the FP to slow it down when the motor's fuel needs are low. This helps to reduce fuel heating. What are the relays on a 1998 Mustang GT? FWIIW, there are two fuel pump relays in the 98 GT. The main power rely is in the CCRM. The relay near the PCM is the fuel pump SPEED relay. In low speed mode, there is a ballast resister in...
Easy lifehacks

Why did my airbag control module go off?

Why did my airbag control module go off? Seems really odd that the module was sent in to be reset and the airbags didn't go off. It is possible that the pre-tensioners went off and not the airbags. You can see the passenger side clearly and tell if it went off. The drivers side is in the door post and needs to be disassembled to check. What are the DTC codes for Ford airbags? Ford DTC Trouble Codes DTC Description 12 Airbag module faulty (RCM Is Faulted) – 13 Crash Data Memory Full ( Send Airbag Mod 14 Air Bag...
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What kind of engine did the Ford V10 have?

What kind of engine did the Ford V10 have? Boring out the cylinders on the mod motor wasn't an option due to the compact design of the block, so Ford engineers did the next simplest thing and grafted a pair of additional cylinders onto the 5.4-liter V8. The resulting 6.8L V10 was a mighty motor for its day. When did the Ford Triton V10 come out? Prior to the 6.8L V10 Triton engine being released in 1999, Ford offered a 7.5L V8 that had been around since 1968. The 7.5 V8 was a fan favorite in the commercial truck space...