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Car bogging down while accelerating
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alyssiahume
New User
May 7, 2008, 3:59 PM
Post #1 of 3
(5166 views)
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Car bogging down while accelerating
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Help! I have a 1997 Isuzu Rodeo 4 cylinder 3.6 liter engine manual transmission. 200,000 miles. It started having issues for a few months now, and the newest one has me stumped. Right now when car is working, i do have to let it run 5 min in the morning, cause if i dont, it will stall out. I know that has to do with a couple of sensors i need to replace that are just too expensive. been running that way for a while now.... OK so the problem started a few days ago. when i drive, it would take forever to make it go faster. and the harder i pressed the gas pedal, the harder it seemed to make the engine run, and would make a noise like when your car is stuck in the mud and your reving the engine to get the tire out, but not going anywhere. When I FINALLY get the car up to around 50-55 miles an hour, it just seemed to no longer accelerate, no matter how much i pushed the fuel pedal. and again if i pressed it harder it would make that noise so id let off the pedal and cruise. Car is not over heating. I have replaced already (due to other problems) the clutch, the master cylinder for the brakes, the water pump, the distributor cap within the last 4 months. Now i did replace the O2 sensor a few months back trying to fix another problem, but that wasnt the solution, so when the water pump went out last month, I returned the O2 sensor to get a new water pump. I think that may be the problem, but my BF says he doesnt think so, and thinks it may be the fuel pump. Please someone help, I got .22 cents in my account, and cant afford to be fixing something that doesnt need it. HELP! 
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Double J
Veteran
/ Moderator
May 7, 2008, 4:59 PM
Post #2 of 3
(5160 views)
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Re: Car bogging down while accelerating
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Hi
I guess you're going to have to start by getting the fuel pressure checked with a fuel pressure gauge .
Fuel pressure should be between 41-55 PSI on a 2.6 L
Also get the computer scanned for trouble codes.
This will eliminate the guess work and the throwing parts at it.
Any timing belt history/replacement?
How old is the clutch?
From what you describe ,with the engine just "revving" it sounds almost like a clutch /transmission problem.
Is that what happens? Does the engine just "rev" ?
Trying to better understand the problem here.
Jim
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alyssiahume
New User
May 7, 2008, 8:36 PM
Post #3 of 3
(5148 views)
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Re: Car bogging down while accelerating
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Thanks for replying. I may have misdiscribed a bit. Its not just reving, the sound it makes is like its bogging down when im trying to speed up. I took it to get the codes check, and two codes came up that i think may be the problem. two codes showing the catylic converter was starting to get clogged. Also one code showing the emission purge was faulty. so thinking that is the problem. (emission thing i have written down some where not necessarily the exact wording lol.) I hope its just the fuel pump and not the catalytic converter as that is expensive lol. Thanks again for replying if u have anymore ideas let me know.
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