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Help! Troubleshooting Code : P1494

4 messages,  Last post on Aug 19, 2009 at 4:39 PM

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#1 of 4 Help! Troubleshooting Code : P1494 by ladyvanessa Dec 02, 2007 (1:04 pm)
Hello! I have a 2000 Chrysler Cirrus and it has been a very good reliable car. I recently had the check engine light come on so I went to autozone and had a free readout. This is what came back:   Troubleshooting P1494 OEM Brand: Chrysler   Definition :   Evap Leak Detection pump pressure switch condition   Explination:   ECM detected the leak detection pump switch did not change after the solenoid was energized   Probably Causes:   1. Leak detection pump defective 2. open or shorted circuit condion 3. solenoid defective   This is driving me crazy because my car still drives fine and its holiday time and im broke! I really dont want my car to turn into a heap. My husband unplugged the battery cables and reset the light but then it came back on. So we know there is a problem. We took it to the shop and they wont accept the autozone readout and want us to shell out a ton for a diagnostic. Any ideas on what the heck could be causing this? Like I said the car is driving fine, it has always cut out once and a while when I try to accelerate.. but other than that no change. Thanks so much!!   Vanessa Replies to this message: KarenS (Dec 03, 2007 7:03 pm)
#2 of 4 Re: Help! Troubleshooting Code : P1494 [ladyvanessa] by KarenS HOST Dec 03, 2007 (7:03 pm)
Replying to: ladyvanessa (Dec 02, 2007 1:04 pm) You might want to post this over in Got a Quick Technical Question?. The mechanic experts there may be able to give you some advice.
#3 of 4 P1494 ditto on the ???? by mcdocs Sep 13, 2008 (8:20 am)
My T&C has been acting weird and has displayed different codes on two visits to AutoZone, the latest being P1494 (EVAP leak detection pump). My minivan is doing many strange things electrically, all of which can be caused by a faulty ground, I suppose, including the P1494. I, too, am searching for answers. Does anyone know where a ground fault is most likely to be? Thanks in advance.
#4 of 4 98 Cirrus stumbles with quickly pressed throttle by holdthewind Aug 19, 2009 (4:39 pm)
98 Cirrus with the V6. Crank sensor went out and I replaced the sensor. Now when I have the car in gear and depress the throttle quickly the engine stumbles like there's not enough fuel being delivered to the engine, the engine will not increase in RPM's but will act like its starved for fuel. I can keep it pinging and not getting fuel if i keep my foot in the throttle. It will return to normal when i get out of the throttle. When I slowly press the throttle the engine seems to increase in RPM's fine. I checked the EGR and that seems to be fine. The check engine light doesn't come on and I've tried the key on/off looking for a code to no avail.

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