Question about 1990 Acura Integra

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I have a 1990 Acura integra rs. I changed the fuel pump, filter, pressure regulator and main relay and it still doesn't start. It cranks but won't turnover.

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If it is a manual transmission try this (If not, ignore and let me know): Mounted on the clutch pedal under the dash is the Clutch Interlock switch. With the key in the START position there should be power at the black/red wire. Also check the black wire for good ground. If you have power and ground, unplug the connector and jump the terminals in the connector. Start the car and if it starts, replace the Clutch Interlock switch. If there is no power there, then check the black/white wire at the ignition switch and starter relay for power. No power out of either one will indicate a bad component or a wiring problem between components.

Posted on Apr 16, 2015

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Have you checked fuel pressure between tank and intake? pressure check valve on return line could be stuck open. check for spark as well, need more info....

Posted on Apr 16, 2015

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Posted on Jan 02, 2017

YellowNo5
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SOURCE: acura integra rs no spark no fuel pressure

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

swc6912
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SOURCE: I have a 1990 Acura integra rs. I changed the fuel pump,fuel relay,and fuel filter. It started when I sprayed gas into the injectors, but it won't start on its own. What else can I do?

Along the firewall there is a pressure test point (looks like a tire valve) push the valve in to see if there is fuel and pressure.

I'm guessing there is NOT if you can spray fuel and start.

If there is you may want to get a pressure gauge and make sure the pressure is high enough.

If NOT, you need to chase back why you don't have pressure.
is there power to the relay ?
Is the relay switching ?
Is there power to the pump ?

Posted on Apr 14, 2015

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1 Answer

I have a 1990 Acura integra rs. I changed the fuel pump,fuel relay,and fuel filter. It started when I sprayed gas into the injectors, but it won't start on its own. What else can I do?


Along the firewall there is a pressure test point (looks like a tire valve) push the valve in to see if there is fuel and pressure.

I'm guessing there is NOT if you can spray fuel and start.

If there is you may want to get a pressure gauge and make sure the pressure is high enough.

If NOT, you need to chase back why you don't have pressure.
is there power to the relay ?
Is the relay switching ?
Is there power to the pump ?

Apr 14, 2015 | 1990 Acura Integra

1 Answer

1994 integra rs won't start


check your computer or the ignator or coil in the dizzy

Nov 12, 2011 | 1994 Acura Integra

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My 1990 integrea wont start but and I have replaced the starter and main relay in it what else should I look at


Check to see if your plugs are getting fire, if not check the ignition module and crankshaft sensor. Check your fuel pressure, if no fuel could be bad pump, if not enought could be fuel pressure regulator. Hope this helps.

Jun 08, 2011 | 1990 Acura Integra Hatchback

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I HAVE AN 87 ACURA INTEGRA.I WONT GO OVER 30 MPH WITH OUT JERKING OR SOUNDING LIKE ITS OUT OF GAS. I HAVE A FAIRLY NEW FUELPUMP ON IT NEW FUEL FILTER AND CHEKED THE FUEL PRESSURE 60PSI . IT CRANKS AND...


If one of the sensor goes bad, you will see PGM-FI check engine light would come on.
The normal fuel pressure for this car is between 36 to 41 psi.
Check for pinched or clogged fuel return hose or piping.
Check the fuel pressure changes by removing the vacuum tube on the top of the fuel pressure regulator and next check the pressure this time with pinching on the return hose that is attached to the pressure regulator.
You will need to put a shop towel over the return hose and use pliers.
If no change in the pressure reading, replace the fuel pressure regulator.

Jun 10, 2010 | 1987 Acura Integra

1 Answer

My 1990 acura integra wants to start but won't turn over. A couple of times it has started then dies. I'd keep trying to start it until it finally turns over and starts without dying. Could the fuel filter...


It's hard to know whether or not this is a fuel issue or a spark issue. Here is where I'd start:

Have a mechanic check your fuel pressure to make sure you're getting fuel. An intermittent starting issue could point to a clogged fuel filter. This would be more likely than the pump.

With the age of the car, a faulty main relay could also be the culprit. They are notoriously bad on Acuras of that age. The solder joints break and they will work one minute and not allow the car to start the next. (starter will turn the engine over but not "catch")

If this problem happens more often when the weather is hot or cold, it points toward the main relay. Good luck.


Oct 22, 2009 | 1990 Acura Integra Hatchback

1 Answer

My 1990 integra starts only after sitting for a while like in the morning as soon as the weather gets hot and the car has been sitting it will crank over but won't start doesn't sounds like fuel pump is...


THE MAIN RELAY HAS BAD SOLDER CONNECTIONS TO THE PRINTED CIRCUIT BOARD. THE HEAT IN THE CABIN ALLOWS THE CIRCUIT TO OPEN. I HAD LUCK RE-SOLDERING THE LEGEND'S RELAY AND DIDN'T SPEND THE $ ACURA WANTED.
YOU SHOULD HEAR THE PUMP WORK FOR A FEW SECONDS WHILE THE CHECK ENGINE LIGHT IS LIT (WHILE YOU CRANK).

Sep 18, 2009 | 1990 Acura Integra Hatchback

1 Answer

Car wont start 1990 acura integra LS


try the distributor I had the same problem with mine a couple weeks back

Mar 22, 2009 | 1990 Acura Integra Hatchback

1 Answer

1990 acura integra ls wont start


bros. check the main fuel pupm relay

Jan 11, 2009 | 1990 Acura Integra Hatchback

1 Answer

Car does not start in cold weather


check your main relay it may be in default it is the signal that sends the gas pump is located below the driver side dash give me the new

Jan 03, 2009 | 1992 Acura Integra Hatchback

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