Last post on Sep 19, 2013 at 3:03 AM
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Mazda Protege, Sedan
#3703 of 3742 Fuel not flowing correctly, 1995 mazda protege
Feb 22, 2012 (4:44 am)
1995 mazda protege that my daughter loves and cannot part with. I have had the mass air flow, fuel pump and a couple of other things changed but when the car is driven sometimes it stalls as if the fuel is not flowing and then it will kicks in. I cannot allow her to drive it in fear that someone may ram her in the back or she ram someone because when the fuel kicks in, the car goes forward really fast. No one seems to know what the problem is since I have had a lot of new parts put on. Can someone give me some help since I really don't know anything about cars. Thank you.
#3704 of 3742 Re: Fuel not flowing correctly, 1995 mazda protege [linda5772]
Feb 22, 2012 (9:35 am)
when the car is driven sometimes it stalls as if the fuel is not flowing and then it will kicks in
This seems to describe a known problem in Mazda Proteges: the failure of the Exhaust Gas Recirculation (EGR) valve. Once the valve is clogged up, the flow of fuel is interrupted which causes stalling and then bucking once the fuel "kicks in". Most Mazda dealerships would be aware of this problem and the solution: a) clean the valve, or b) replace the valve.
#3705 of 3742 Mazda Protege losing power up hills
Mar 05, 2012 (6:42 pm)
#3706 of 3742 Mazda Protege losing power up hills
Mar 05, 2012 (6:42 pm)
I have a 93 Mazda Protege DX 1.8 SOHC . I recently re-did the entire exhaust system (after letting it run for a while with a few holes here and there), put on new spark plugs & wires, gave it a new oil change & filter, and a new tie rod end. After finishing up, I took it for a drive, it sputtered and lost power (completely). I checked under the hood once I got home, and saw a spark plug wire had come off of the distributor cap. I fixed the problem, and it seemed to work fine. I noticed later that when I start my car, there's a bit of white smoke coming from the tail-pipe, but it seems to clear up pretty quickly. When I drive it, it seems to do just fine, until I get to a decent hill. My car loses power almost immediately, to the point where I wasn't sure if my car WOULD make it to the top of the hill before it just stopped or started rolling back down. I've checked the transmission fluid, it's still a nice, bright red, doesn't look murky or anything. I made sure the terminal connections on the battery were good, which they are. I switched out the fuel filter, even though it really shouldn't have needed a switch. I made sure there was nothing wrong with the muffler and the rest of the exhaust system, and I'm still having issues losing power up hills. Any ideas???
#3707 of 3742 Re: Mazda Protege losing power up hills [reikagoth]
Mar 06, 2012 (9:25 am)
You may want to check the fuel tank for condensation or corrosion.
You could bring it into a garage to have it diagnosed for OBD codes.
Mar 12, 2012 (5:26 am)
Mazda 2002 Protege 2.0 litre w/120,000. On cold mornings the vehicle starts but idles horribly, when it's put in drive it barely moves. After approx 6-7 miles it starts to loosen up and then will run like its brand new. If it's 50 degrees or more, vehicle starts right up and drives with no problem. I've had a diagnosis run on it, changed the front oxygen sensor on the manifold, changed the egr valve, new timing belt and water pump, new plugs and recently new hose between the manifold and air intake filter. My mechanic had the diagnosis completed and the pistons cylinders are all at 200 plus psi but the vehicle is running lean. The spark plugs look like they're brand new after a thousand miles. No one can figure this out.
#3709 of 3742 Re: cold starts [buckeye24]
by MrShift@Edmunds HOST
Mar 12, 2012 (6:21 am)
How about a coolant temperature sensor? If that was defective, it would approximate all your symptoms---just a guess, but....
The theory is that a defective coolant temp sensor would tell the computer that the engine is already warm, thereby not enriching the mixture for starting; as the engine warms up, it is more compatible with the defective sensor's default reading.
#3710 of 3742 Re: Fuel not flowing correctly, 1995 mazda protege [linda5772]
Mar 21, 2012 (7:11 pm)
One thing to check is defective spark plug wire(s). This will cause cutouts when driving, but ususally it will only last a second or two. It occurred at 40-50 MPH for me.
Other possibilities include a crack in rubber air intake hose/snorkle from the air filter to throttle, defective engine coolant temperature sensor, defective fuel pressure regulator, and water or other contaminants in the fuel tank.
#3711 of 3742 Life of Radiator Hoses and Coolant
Mar 21, 2012 (7:42 pm)
I got lucky when the upper radiator hose partially broke recently. It didn't lose all coolant or strand me and the car never went past its normal coolant temp. level. So I changed both hoses with new Gates versions (Made In USA, O'Reilly Auto Parts) and looked at my records to see how long the old ones lasted. The answer is 8.5 years! I have slacked off in keeping up on some maintenance with my 17 year old Protege. This car lulls you into complacency due to its good build quality and many excellent parts (origninal clutch, alternator, ps pump, starter, etc.).
Also, I have been using long-life orange Dex-Cool (Prestone Version) on this car since 1998 with no adverse affects. Radiator is always clean with no gunk and I flush the coolant every 5 years. I just switched to yellow Peak global coolant because of a sale. This stuff says lifetime, i.e. no need to flush, and thus just top it off. We'll see.
We also own a '01 Olds minivan and many people with GM minivans refer to Dex-Cool as "death cool" due to poorly designed intake manifold gaskets combined with Dex-Cool and the coolant getting into the engine and causing failure. Well, we did have the bad gaskets replaced twice under warranty (3rd set is a redesigned version), but since then no problems and we are still using orange Dex-Cool changed every 4 or 5 years. The van is 11 years old and has 130K miles on the odometer.
#3712 of 3742 Re: Life of Radiator Hoses and Coolant [jrdwyer]
Mar 22, 2012 (9:42 am)
my 17 year old Protege. This car lulls you into complacency due to its good build quality and many excellent parts (origninal clutch, alternator, ps pump, starter, etc.).
That's reassuring to hear.