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Posted on Jan 02, 2017
SOURCE: Main relay location
The main relay is located behind left side of the dash and above and behind the fusebox and above the hood release.
rate this solution fixya.
Acura Main Relay location and removal procedures.
Integra EFI Main Relay for:
Legend, 96-98 Acura TL main relay Acura Integra 98-01 main relay location:
Locating the main relay using your ears and fingers:
1. Turn the ignition to ON. You should hear two clicks (a thousand of a second apart) under the left or right side of the dash board. One click is for the ECU/Injectors the other is for the fuel pump. At this moment the check engine light should come on.
2. Listen carefully at the moment the clicks engage (usually somewhere underneath the dashboard.) Reach in and touch the main relay.
3. 2 seconds later you should feel a click if the main relay is at least working or wait until it works. At this moment the check engine light should go out.
4. Turn the ignition to start and you should feel a click, turn engine off you should feel another click.
5. Most main relays should have seven terminals. Please check if the location is already listed below.
How do I get the main relay out?
Steps: See four ways below so you can get it out. First you have to reach high up in there and do all this with one hand and a flashlight.
A. Unbolt the bolt using a 10mm socket (picture A) or
Ab. Unclip the clip from the steel tab and slide it apart (picture A) or
B. Separate the steel tab from the plastic case (picture B) with a large flat screw driver jam and twist between the plastic case and the tab or
C. Disconnect the negative battery terminal. Unclip two clips I pointed with two arrows (picture C, or below) with a small flat head screw driver or with a strong thumb and then yank it out (D.) This is the preferred choice by many. Mechanics prefer choice A and maybe B. See detailed relay circuit photo.
Posted on May 24, 2009
Could be the main relay. It's behind the dash up above your gas pedal. Look for a gray and brownish box with one large plug in it. Should be easy to find since you don't have cruise control. It will be secured with one 10mm. You can bring it into reach with it still plugged in. Try starting it while tapping on the little plastic box. If it starts, pry off the cover with a flat head screwdriver and re-solder the broken connections. The break in the solder will be on the side with the sharp little things. It will be smaller than a hair. To find it you will need to wiggle it. Have plenty of light. Just hold the soldering tool on the broken one until the solder puddles around it and you're fixed.
Posted on Apr 29, 2010
SOURCE: acura integra using too much gas
Is there a yellow light on the dash? Is the car very slow and struggles to rev?
It sounds to me that the ECU (car computer) is in 'limp home' mode. You need to read the ECU's code, usually by the ECU flashing lights, then look at the manual for the reason.
First up, reset the ECu by removing the negative battery lead for 30 minutes or remove the large 75AMP fuse. Run the car and see if the light returns or that it is still consuming too much gas. Then...>
One of the most common reasons for poor gas mileage on Acuras/Hondas is the O2 sensors in the exhaust manifold. These can breakdown instantly and cause rough running and poor gas mileage. There are two on the two exhaust banches. If you change one it is best to change both.
Check the air filter for dirt, clean it or buy a new one.
Take the air filter housing off and run car cleaner through the intake manifold.
Clean the EAVC valve which is in the intake manifold while you are there.
Drive the car and take you hands off the wheel, if it pulls to one side then the brakes are seized (usually rear ones) and needs overhaul/new ones, this will cause very poor gas mileage.
Check the cheap/free stuff mentioned above first. I hope this helps and don't give up on your Acura. You have one of the best driver's cars there of the last 25 years :)....I'm very Honda biased :)
Posted on Aug 01, 2010
Testimonial: "Thanks for the good advice. Will check it out."
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