Tag Archives: Rough Idle

Find answers to your auto repair questions about engines with a rough idle. Free repair help from the experts.

Ford Truck Wont Rev Up | Rear Suspension Blocks

I have a 2001 Ford Ranger 3.0. Recently replaced dfpv, old one burned up, also replaced hoses. The engine idles rough when cold for about 20 seconds then smooths out. Engine won’t Rev beyond 3000 rpm. At that point the engine will shake as if starving for fuel. Truck drives normally around town and at…

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1998 Honda Civic Runs Bad- Code P0172 Fuel Trim Rich Bank 1

Live Chat: 1998 Honda Civic LX D16Y7 195k Automatic. Initially had a rough/surging idle problem, cleaned throttle body, injectors are good, new spark plugs, IAC valve good. Car idles fine but running conditions are crap. Loses power at seemingly random times. Finally ran diagnostic tool and came back with P0172 System Too Rich (Bank .1).…

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2001 GMC Safari Coolant Leak and Rough Idle

Hello. My son has a 2001 GMC Safari with a 4.3 engine. He complained of a “rough idle” along with a coolant leak. Not knowing what the rough idle might be, I suggested he bring a new set of spark plugs. I listened to the engine then looked and found a bad left side motor…

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1995 Buick Regal Rough Idle

I have a 1995 Buick Regal. All of a sudden it seems to load up on fuel rough idle, have put new fuel pump in and didn’t help. has to be primed to get started once it runs its fine unless you shut if off then it has to be primed again before it will…

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Check Engine Light Code P0300 On GM 2.2L and 2.4L

We have been seeing quite a few problems with the GM 2.2L and 2.4L engines. Mostly on model years 2005 through 2009. This engine is very common in the Chevrolet Malibu, Cobalt and HHR. As well as the Pontiac G5 and G6. This is the 4 cylinder.  The problem I am going to talk about…

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1994 Ford F-250 Engine Light and Idle Problem

My 1994 Ford F-250 with a 5.8 Gas engine refuses to idle below 1500rpm. Is this a common problem in older engines and what might be causing the problem? I have a 15gpm hydraulic pump attached on a clutch pump, but the over revving is a fairly recent problem. ProTech: I’d first check for any…

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1995 Pontiac Bonneville Won’t Idle

I have a 1995 Pontiac Bonneville that has a 3.8L (3800)v6 engine, It starts rough and wont idle it also wont accelerate or climb hills. I have changed all 3 ignition coils and cleaned the fuel injectors what should I do next I really need this car to work. Ok, is the check engine light…

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Chevrolet Traverse And GMC Timing Chains Replacement

A big thing we’ve seen a lot of over the past year or so, has been timing chain problems on the Chevy Traverse, Saturn Outlook, GMC Acadia, and Buick Enclave. All of these SUV’s have the 3.6 liter V6 engine with dual overhead cams. What is happening on these vehicles is that the timing chains…

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Saturday Was No Fun For This Auto Mechanic

Alright, have you ever had one of those days where everything went wrong? Well, today was one of those days! First off, it was about as hot and humid as possible which made everything else just even worse. Right from the get go this morning I could tell it was just going to be one…

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