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Mazda B-Series Engine Problems

57 messages,  Last post on Oct 09, 2009 at 10:23 PM

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#43 of 57 Re: vacume lines [chyarrow] by mighty2 Feb 28, 2009 (7:07 am)
Replying to: chyarrow (Nov 16, 2008 1:29 pm) check mazdatruckin.com
#44 of 57 87 b2000 engine vibration by 19k40rocky Mar 07, 2009 (9:27 am)
I got a used engine out of a salvage yard in Colorado recently to replace my other engine that suddenly had a knock and bad compression on one cylinder and turned the antifreeze black and oily. Anyway, the new engine has a mild vibration to it starting around 2000rpm and keeps it up through the RPM range. Pickup really doesn't want to go past 70 mph and makes the steering wheel feel like you are hanging onto a vibrator. It has 140 compression on all the cylinders. Vacuum gauge holds 20 inches steady. The pan looks like it has been taken off before as it has orange form a gasket on it. I am wondering if someone had this thing apart and turned a rod around backwards or something. If it is could I unbolt the rod and turn it without messing up the rings? Not really excited about having to pull this engine back out. I had called the salvage yard I got if from and they told me to change out the harmonic balencer. That didn't work either and don't think they are going to stand behind this engine. Any ideas for a out there?
#45 of 57 timing marks by lion_of_judah Apr 18, 2009 (12:47 pm)
where is the timing mark for crankshaft (?) I see the diamond (oil pump) and triangle (camshaft) how do i find tdc to set the timing? mazda b 2500 truck Replies to this message: the_bean (Apr 21, 2009 9:08 am)
#46 of 57 Re: timing marks [lion_of_judah] by the_bean Apr 21, 2009 (9:08 am)
Replying to: lion_of_judah (Apr 18, 2009 12:47 pm) there will be a small notch on the pulley. it may have lost its color. the best way to find it is to put the car in gear (engine off) unplug the coil and roll the car forward until you see it. then mark it with a bright colored paint pen. when the notch aligns with the "TDC" mark your golden. OR you can remove the #1 spark plug, place your finger over the whole and turn the crankshaft. when its on the compression cycle you'll feel air being forced past your finger once the air stops blowing or you start to feel suction your very close to TDC
#47 of 57 1986 mazda b2000 2.0L 2bbl by lonestar1045 Apr 24, 2009 (12:29 am)
I Have a 1986 mazda b2000. Timing problem? Will not start. The belts and fan turns. Sounds like you are trying to start a electric motor. There are no signs of life. The guy i got it from told me he got in it one day and it was running sluggish and the next day he got to the end of his street and it died and that was that.   I Tried starting fluid and that will not work at all.   Got it for $300.00 nice truck if i can get it running. Replies to this message: 19k40rocky (Apr 24, 2009 7:10 pm) the_bean (May 13, 2009 10:33 am)
#48 of 57 Re: 1986 mazda b2000 2.0L 2bbl [lonestar1045] by 19k40rocky Apr 24, 2009 (7:10 pm)
Replying to: lonestar1045 (Apr 24, 2009 12:29 am) Have you got spark? Pull a plug wire to see if you got a good spark. If not it may be as simple as a distributor cap gone bad. There is a little carbon piece in under the cap that can go bad and do that as happened to me once. Also might be the electronic control module in the distributor. they go bad too.
#49 of 57 mazda b4000 engine problems by jfcaver Apr 25, 2009 (11:49 am)
We have a '97 mazda b4000 we have had problems with the butterfly valve getting dirty and needs cleaning periodically. Recently the engine stalls and sputters when changing gears similar to a dirty butterfly valve, but the valve is clean and the air filter is new. There was one vaccum hose that needed replacing, done. This seems like an air intake problem??? Is there some sensor that may need replacing? Or could the problem be in the catalytic converter??? How would one go about testing these?
#50 of 57 Re: 1986 mazda b2000 2.0L 2bbl [lonestar1045] by the_bean May 13, 2009 (10:33 am)
Replying to: lonestar1045 (Apr 24, 2009 12:29 am) 300 was a great buy for the truck! they have some real potential. (a F2T from a 1st gen mx6, 626 or ford probe will bolt up to our tranny and engine mounts easily doubling your power and torque. or if you want to stick with a 2L you can pull the DOHC top end off of a 95 kia sportage) nuff of that though... back to the problem check to make sure the #1 piston is at TDC and the marks on the timing belt align. next take the valve cover off and look at the valves for #1. they should both be down (compression stroke) or the exhaust should be up (exhaust stroke) [try to get it to the compression stroke to make the final step easy] finally check the distributor and make sure the rotor is at or near the electrode for the #1 plug wire. (#1 should be marked on the cap if your couldn't tell from the wires which one is #1)   if all of this lines up and it still wont start then you make have problems in the fuel lines. (filter pump and lines can get clogged over time from a decaying gas tank.)   if you need any more help you can e-mail me directly at brderjumper21msn.com i'd be happy to help you with what i can.
#51 of 57 Re: 89 Mazda B-2200 Running Roughly [allmycars] by lmoreno3 Jun 16, 2009 (6:41 pm)
Replying to: allmycars (Dec 24, 2007 12:06 pm) I have '90 Mazda B2200 LE-5, was having the same problems, bought a Weber carb on Ebay, problems solved.
#52 of 57 gas or what by lion_of_judah Aug 06, 2009 (3:57 am)
I have a 5 speed 1998 mazda b 2500 while driving few days ago my truck would not accelerate. I thought it was the fuel filter but it wasn’t. oh I notice that in the morning it was hard to start sometimes almost like it didn’t have gas and I had to pump the accelerator to keep it from turning off once i got it started then it would run fine. Now it will idol but as soon as I hit the gas it won’t accelerate. Can someone please help?

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