Question about 1996 Pontiac Sunfire

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Put in water pump and gave it a tune up,it ran for a while, but cunked out? could it be the electric egr

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Real hard to say. If it didn't run hot while you were checking for leaks then it is possibly electrical. Check the coil wire if it has one. Then check the spark plug wires for a spark if you know how to do that. If they are sparking when you spin the engine over then I would look at the fuel system. Make sure that all the fluid levels are up to specs as well. And also, make sure that all of the air is out of the coolant system.

Posted on Dec 12, 2009


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Done tune, car ran fine right afterwards. The next day it started cutting out and dying again. What could be the problem?

David, Have it scanned by a good tech. for trouble codes. Could be numerous things causing stalling. Failing fuel pump,bad Idle speed control,EGR faulty, vacuum leak,ignition faults,etc. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info.
Diagnosing Intermittent Stalling Issues
Fix Your Engine Stalling While Driving Like Pro Pictures

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1 Answer

I ran the test and the code p0401 came up, i was told it was the water pump but now i'm reading different things...any suggestions?

According to my code list 401 is for a problem with the EGR valve.
There is a sensor that measures flow and it is telling the computer the EGR is not working correctly.

Dec 15, 2012 | 2002 Chevrolet S-10

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94 ford f150 4.9l 6 cylinder runs rich and rough

Check the intake for vacuum leaks, use a can of carb spray and spray all over the gasket area where manifold mates to the cylinder head. If you hit a leak the engine will sound different. Also touch the EGR valve with wet fingers, it should be cool when idling, if it sizzles the water it is leaking and this causes a rough idle.

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I have an 89 s10 blazer 4.3 TBI that spits, sputters and dies at an idle and seems like it misfires as driving, no check engine lite came on. gave it a tune up. replaced the EGR valve , Ran perfect for a...

ing. mod. and coil pack may be starting to go bad had same trouble with mine only a tune-up problem solved then came back be fore i put car on di machine found that coil pack was bad! when if you scange coil pack or ing. mod. replace all, if not will have problems again.

Jun 12, 2011 | Chevrolet Blazer Cars & Trucks

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Water pump went out on my 96 Honda Accord EX 2.2L VTEC. I replaced timing belt, balancer shaft belt, water pump, both serp belts, and tensioner according to manufacturer specs. Put everything back together...

A bad EGR valve could cause your car to experience hard starting, a rough idle, cruise control surges, popping noises from the exhaust, backfiring and sudden engine stops with cold weather or after deceleration.
Read more: Symptoms of a Bad EGR Valve '

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1 Answer

Gave it a tune up ran good now don't wanna start

Check all the wires, especially the ones to the coil. there could be a loose or broken wire, check fuse to the fuel pump, or starter.

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1 Answer

Rough idle and acceleration on 1998 Chevrolet Silverado 5.0

Bad EGR valve comes to mind here. Assuming the plugs are good, the EGR valve woiuld be what I'd look at.


Jul 26, 2009 | 1998 Chevrolet Blazer

3 Answers

My '93 camaro z28 was overheating. I had the water pump replaced and it no longer overheats, however it is reluctant to start and runs very poorly when it does run. It ran OK before the new water pump,...

If that was the only repair then it was a coincidence. The only thing that is related to what you did is the engine coolant temp. sensor (ECT), but you need a scan tool to look at parameters and run some tests. Being that its a "93" I would do a compression test, look a fuel pressure, check the maintenance history, When was the last complete tune-up done, maybe do an exhaust back pressure test, IAC, and EGR. Well good-luck.

Jun 11, 2009 | 1993 Chevrolet Camaro

1 Answer

Went to PEP Boys they ran a diagnostic test and said the car needed a tune up. So we replaced the plugs, wires, distributor cap and distributor,IGN coil, Gas filter, air filter, oil change and the water...

My experince with PEP Boys is they do not honor their warrenties. But I would go back and complain about the car running hot since the only part of the cooling system they didn't change was the radiator they did something wrong. It should not be running hot. Is the cooling fan running? If not they probably didn't reconnect the wires to it or broke a wire. They also conned you on the water pump, you have to take out the distibutor to get to the water pump not the other way around.

Apr 18, 2009 | 1994 Chevrolet Caprice Classic

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