Question about 1987 Yamaha XS 400 DOHC

1 Answer

1989 pontiac grand am started missing / skipping suddenly at stop light what may have happened?

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Master
  • 975 Answers

2.3 4 cyl? if so ,bet on the ignition coil adapter,they crack and let the spark go crazy,easy to change,about 50 bucks for a new one,
under the ignition assembly,4 bolts and you can look at it,if it's white
it's most likely factory and had it.

Posted on Nov 25, 2013


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Seems to be missing on one cyl.

Find a real dark spot, on a real dark nite. Raise the hood and check the plug wires for any spark jumping.
Also check all the vacuum hoses, fittings, pcv valve.

Nov 25, 2013 | 1989 Pontiac Grand Am

1 Answer

3100 skipping after changing intake gaskets

You mean that it is missing? Did you check all the seals and vacuum lines again? STart the engine and spray wd 40 around all the seals and see if the skipping stops.

Aug 31, 2013 | 2001 Pontiac Grand Prix

1 Answer

1989 jeep cherokee skipping problem

it may not be the problem but check the earthing strip or put a new earth wire from the engine block to the shell or negative on the battery and see if this stops it, can happen if the earth is damaged or not connecting properly, as parts not getting the correct voltage.

Dec 04, 2017 | 1989 Jeep Cherokee

1 Answer

My Grand am is skipping what could be causing this?

Is the service engine light illuminated? If so, you need to have the system scanned for trouble codes. You can get this done at most auto parts stores for free. There are a few different reasons why it is skipping/missing. Without the code/s it would be pure speculation.

Jun 14, 2010 | 2003 Pontiac Grand Am

2 Answers

My 2000 Pontiac Grand Prix skips when I'm driving down the highway. Doesn't happen all of the times, just most of the times. Please help.

When you say it skips do you mean it misses?If so then if you have a 3.4 motor then remove the coil wires one at a time and check that there is no corrosion on the coil towers.If it is a 3.8 do the same thing.Check the coil towers.

Dec 01, 2009 | 2000 Pontiac Grand Prix

3 Answers

My pontiac grand am won't start and the starter goes like its gunna start but it won't turn over also the secerity lite is flashing, i need help it is the only car i have and i can't afford to buy a new...

Hi. I have a 99 Pontiac Grand Am. I've had that problem before. All I did was...whenever the security light would flash...and the car wouldn't start...I would take the key out...and just sit there and wait for about 10 to 15 minutes. Then the red light would stop flashing....and the car would start. That would happen about 2 times a year. Now I'm having trouble getting it to start. It's trying to...but won't turn over. My mechanic put a new computer....but now he doesn't know what is wrong. Please help. Thanks.

Jul 15, 2009 | 2003 Pontiac Grand Am

2 Answers


Check your Air Filter and the Seal on your Gas Cap. If the Gas Cap Seal is Old it will allow Air to enter the Fuel tank and cause your Miss.

Jan 21, 2009 | 1999 Pontiac Grand Prix

1 Answer

Grand Prix wont start

Try checking the starter solenoid wires.Make sure the wire hasnt come loose and the battery to solenoid cable is tight.

Dec 28, 2008 | 1997 Pontiac Grand Prix

1 Answer

Power window failure on 2002 Pontiac Grand Prix GT

Most likely the window motor brushes are sticking, but in any case the door panel must be removed to service the motor

Nov 21, 2008 | 2002 Pontiac Grand Prix

Not finding what you are looking for?
1987 Yamaha XS 400 DOHC Logo

Related Topics:

23 people viewed this question

Ask a Question

Usually answered in minutes!

Top Yamaha Experts


Level 2 Expert

314 Answers


Level 3 Expert

1216 Answers

Steve Sweetleaf
Steve Sweetleaf

Level 3 Expert

1165 Answers

Are you a Yamaha Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides