| Author | Message | ||
     Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 5 Registered: 11-2003 |
I have spent the last day and a half searching the archive for what could possibly be causing the stutter and loss of power in my 95 Disco. through the whole time i am speeding up i feel a loss of power but as soon as the trannsmission shifts to the last gear it starts to stutter. The check engine light isn't on and the box under the seat doesn't say anything. From reading the archives i thought it might be the vss but in one post it says to disconnect it and if thats the problem the stutter should go away...so I unhooked it but it didn't change anything. Then i read in another post about the maf failures so i checked that out and the screen on it had a good amount of oil on it so I wiped it off. But i still dont notice a difference. I Changed the plugs with some bosch platinum +2 and put new wires on it about a month in a half ago when it was stuttering much like it is now and that fixed it till last week. If anyone knows what i can test or change to try to fix this it would be much appreciated. Thanx, Mike. | ||
| Robbie Donaldson (Robbie) Senior Member Username: Robbie Post Number: 502 Registered: 02-2002 |
still sounds like bad wires to me. had same kind of occurrence, bought new wires from dealer. couple weeks later, happened again, began checking wires, making sure everything was on correctly, and two came apart in my hands. went to magnecore 40k miles ago, and all has been good since. might be a good idea to just look over the wires again and confirm all is well. | ||
| Adam Ross (Discodriveradam) Member Username: Discodriveradam Post Number: 155 Registered: 01-2003 |
TPS? | ||
| Eric Thatcher (Discodork) New Member Username: Discodork Post Number: 1 Registered: 01-2004 |
Try running a bottle of injector cleaner before you do anything else. A leaky or sticking injector can make it run very roughly. | ||
| Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 6 Registered: 11-2003 |
I put a bottle of injector cleaned in two days ago but havent used all of that tank of gas yet. What are magnecore wires and where do I get them. | ||
| Brad Ashe (Vodkaman) Member Username: Vodkaman Post Number: 57 Registered: 10-2003 |
I vote distributer cap. What was the weather like that day any rain or moisture? | ||
| Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 7 Registered: 11-2003 |
Well we have been getting snow but if the dist. cap got moisture in it wouldn't it be dried out and running normal by now. | ||
| Brad Ashe (Vodkaman) Member Username: Vodkaman Post Number: 60 Registered: 10-2003 |
With a crack it could still misfire even when dry. | ||
| Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 8 Registered: 11-2003 |
well today i pulled the bosch spark plugs that i put in a while ago and the tips were all black and burnt so i am pretty sure thats my problem but I dont just want to put new plugs in 'cause something has to be the cause of this happening to the spark plugs. any suggestions would be helpful. -mike | ||
| Brad Ashe (Vodkaman) Member Username: Vodkaman Post Number: 64 Registered: 10-2003 |
Leaking injectors may give you that problem. | ||
| Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 9 Registered: 11-2003 |
Is their a way to check or test to see if their leaking. | ||
| Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 10 Registered: 11-2003 |
I checked a few other posts in the archive and they said that leaking injectors could cause an irratic idle and the idle on my disco has always been a little off from the day i bought it. Also at times it does give off a little bit of a gas smell, I don't know if that means anything. | ||
| Brad Ashe (Vodkaman) Member Username: Vodkaman Post Number: 65 Registered: 10-2003 |
Mike this could be what you need pretty cheap looks like 88.00 to clean and flow test your injectors. I have the same problems as you I think I am going to give them a try. Even if your injectors are not leaking this service would be helpful I am sure http://www.cruzinperformance.com/fuelinj.html | ||
| Shawn McKenzie (Shawn) Member Username: Shawn Post Number: 179 Registered: 10-2002 |
www.magnecor.com | ||
| Dean Brown (Deanbrown3d) Senior Member Username: Deanbrown3d Post Number: 1303 Registered: 02-2002 |
Mike - if you had oil on the MAF and wiped it off the screen, did you also clean the filament with some kind of solvent too? That thing is very sensitive and can make the engine stutter like hell if its dirty. | ||
| Tony Zuniga (Tony23007) Member Username: Tony23007 Post Number: 246 Registered: 05-2003 |
If you have experienced this in the past and a change of wires and spark plugs did the trick, I would go back and replace the plugs with OME parts. Why OME? because new plugs like Bosh platinum can give your car different performance and your engine is just not tuned-in for that difference in performance. If you don't notice any improvement than take it all back. Also I would change the Distributor Cap and the Rotor, plus the Fuel Filter. All of the above are part of a "Tune-up" for these cars!!!! | ||
| Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 11 Registered: 11-2003 |
Well, yesterday I changed the plugs and it fixed the problem, every one of the bosch spark plugs were all foulded up. I also ordered new cap, rotor, and, wires which i should get tomorrow. My question now is Do you guys think i need to replace my injectors so my spark plugs wont foul. | ||
| eric johnson (Eric2) Member Username: Eric2 Post Number: 215 Registered: 05-2003 |
Drive it normally all next week and pull out a couple plugs next weekend, then check. If you need new injectors, go here:http://www.boschservice.com/public/servicelocation/dfiautomotive.html click on your state and you will see a list of Bosch dealers. I got a complete set for my 3.9 for $345 + tax. Thats $43 each , includes seals. Mine is a '90 3.9. It had rusted and/or burnt electrical contacts on the injectors and on the connectors from the wiring harness. Still have to replace about 5 connectors. What year truck? | ||
| eric johnson (Eric2) Member Username: Eric2 Post Number: 216 Registered: 05-2003 |
P.S. - They (Coast Fuel Injection, in San Jose, Ca.) flow tested mine for about $30. They gave 'em the ultra-sound treatment and replaced a filter, then tested 'em. I believe there is a baseline volume that each injector should squirt out in a given amount of time. The injectors are considered "in spec" if they are within 7% of the baseline. Mine were about + 15% to - 15%. Hence, new injectors. YRMV. | ||
| Mike Bowers (Mikebowers) New Member Username: Mikebowers Post Number: 12 Registered: 11-2003 |
Thanx for the info. My trucks a '95. |
